Differences between revisions 4 and 5

Inductance

PIRA classification 5J

Grayed Demos are either not available or haven't been built yet.

Please note that these tables have not yet been edited to match the equipment that is available within the UW-Madison lecture demo lab. There maybe many items listed within these tables that we either "can not do" or have available.

5J10. Self Inductance

PIRA #	Demonstration Name	Subsets	Abstract
5J10.10	inductor assortment		Sample inductors are shown.
5J10.20	back EMF - light bulb
5J10.20	back EMF		A 20 Henry inductor energized by a 12 V battery lights a 120 V 7 1/2 W lamp when the circuit is opened.
5J10.20	back EMF		When current is cut off in the primary, a meter in parallel shows an induction current in the primary.
5J10.20	self inductance		Open the switch of a large electromagnet with a lamp in parallel.
5J10.20	inductance spark		Disconnect a 6 V battery from a 2000 turn coil to get a spark, enhance with an iron core.
5J10.21	back EMF		A 4.5 V battery lights a neon bulb when the current to an inductor is disrupted.
5J10.22	neon back EMF		The coils of a electromagnet are connected in parallel with a neon bulb.
5J10.23	neon self induction		A neon lamp across an inductor will glow on one side during charging and will flash on the other when the current is interrupted.
5J10.25	inductance and the wheatstone bridge		The galvanometer in a Wheatstone bridge is connected after an inductor has reach steady state or at the same time the current is started in the inductor.
5J10.26	simulating ideal self-induction		A nulling circuit compensates for the steady state current in a coil.
5J10.30	back EMF - spark
5J10.30	back emf spark		A one inch spark is produced when the switch of a large electromagnet is opened.
5J10.32	electromagnetic inertia		A spark will jump across an almost closed loop of wire rather than go around when attached to a Leyden jar.

5J20. LR Circuits

PIRA #	Demonstration Name	Subsets	Abstract
5J20.10	RL time constant on scope		Show the RL time constant on a scope.
5J20.10	LR time constant on scope		The current and voltage of an slow time constant LR circuit are displayed on a dual trace storage oscilloscope.
5J20.10	LR time constant on scope	pira200	A plug in circuit board with a make before break switch for showing slow RL time constants on the oscilloscope.
5J20.10	RL time constant		The RL time constant is shown on a scope.
5J20.11	time constant of an inductive cir.		Compare the time constant of an inductor using different cores on an oscilloscope.
5J20.20	lamps in series or parallel with inductor	pira200	Two lamps are used to indicate voltage across and current through a large electromagnet. Do this with the iron core in and then removed.
5J20.20	current in an inductive circuit		Light bulbs across and in series with a large electromagnet show the current in an inductive circuit.
5J20.20	lamps in series and parallel on EM		Two lamps are used to indicate voltage across and current through a large electromagnet.
5J20.20	series lamps on an EM		Light bulbs are hooked up in series with a large electromagnet.
5J20.20	lamps in parallel with solenoid		Apply 110 V to a large solenoid with incandescent and neon lamps in parallel. The neon lamp flashes on the opposite side on discharge.
5J20.21	lights in series and parallel		A circuit with a 5 H inductor has neon lamps in series and in parallel.
5J20.25	inductor characteristics		A bulb in parallel with a coil does not burn when powered by dc, but does when coupled to a high frequency source.
5J20.30	LR time constant		Substitute a inductor and resistor of the same R in a circuit that lights a neon bulb.

5J30. RLC Circuits-DC

PIRA #	Demonstration Name	Subsets	Abstract
5J30.10	RLC ringing		The voltages across the L and C of a slow RLC circuit are displayed on a dual trace storage oscilloscope while the circuit is energized and de energized.
5J30.10	characteristic times in a parallel		Slow parallel RLC ringing on an oscilloscope.
5J30.10	ringing circuit		Ringing from an RLC circuit is shown on an oscilloscope.
5J30.10	characteristic times in a series RLC		Slow series RLC ringing on an oscilloscope.
5J30.10	RLC ringing		A circuit for showing LC ringing on a oscilloscope.
5J30.11	damped LRC oscillation		Discharge a capacitor through a series LRC circuit. Vary the capacitance and resistance.
5J30.15	RLC ringing		A motor driven commutator switches a circuit from charging to discharging so RLC ringing decay can be observed on an oscilloscope. Picture, Diagram, Construction details in appendix, p.1334.
5J30.20	RLC ringing		A DC circuit with RC charging and RLC discharging.
5J30.21	RLC ringing		A circuit to charge a capacitor either with or without an inductance in series.
5J30.30	singing arc		A ordinary carbon arc is shunted by a series LC circuit.

Demonstrations

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+== Inductance ==
''PIRA classification 5J''
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-== Inductance ==
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-''PIRA classification 5J''
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-||<:10%>'''PIRA #'''||<:>'''Demonstration Name'''||<:60%>'''Abstract'''||
|| 5J10.10 ||	inductor assortment	||	Sample inductors are shown. ||
|| 5J10.20 ||	back EMF - light bulb ||		||
|| 5J10.20 ||	back EMF ||	A 20 Henry inductor energized by a 12 V battery lights a 120 V 7 1/2 W lamp when the circuit is opened. ||
|| 5J10.20 ||	back EMF ||	When current is cut off in the primary, a meter in parallel shows an induction current in the primary. ||
|| 5J10.20 ||	self inductance ||	Open the switch of a large electromagnet with a lamp in parallel. ||
|| 5J10.20 ||	inductance spark ||	Disconnect a 6 V battery from a 2000 turn coil to get a spark, enhance with an iron core. ||
|| 5J10.21 ||	back EMF ||	A 4.5 V battery lights a neon bulb when the current to an inductor is disrupted. ||
|| 5J10.22 ||	neon back EMF ||	The coils of a electromagnet are connected in parallel with a neon bulb. ||
|| 5J10.23 ||	neon self induction ||	A neon lamp across an inductor will glow on one side during charging and will flash on the other when the current is interrupted. ||
|| 5J10.25 ||	inductance and the wheatstone bridge ||	The galvanometer in a Wheatstone bridge is connected after an inductor has reach steady state or at the same time the current is started in the inductor. ||
|| 5J10.26 ||	simulating ideal self-induction ||	A nulling circuit compensates for the steady state current in a coil. ||
|| 5J10.30 ||	back EMF - spark ||		||
|| 5J10.30 ||	back emf spark ||	A one inch spark is produced when the switch of a large electromagnet is opened. ||
|| 5J10.32 ||	electromagnetic inertia	||	A spark will jump across an almost closed loop of wire rather than go around when attached to a Leyden jar. ||
+||<10%  style="text-align:center">'''PIRA #''' ||<style="text-align:center">'''Demonstration Name''' ||<style="text-align:center">'''Subsets'''||<60%  style="text-align:center">'''Abstract''' ||
||5J10.10 ||inductor assortment || ||Sample inductors are shown. ||
||5J10.20 ||back EMF - light bulb || || ||
||5J10.20 ||back EMF || ||A 20 Henry inductor energized by a 12 V battery lights a 120 V 7 1/2 W lamp when the circuit is opened. ||
||5J10.20 ||back EMF || ||When current is cut off in the primary, a meter in parallel shows an induction current in the primary. ||
||5J10.20 ||self inductance || ||Open the switch of a large electromagnet with a lamp in parallel. ||
||5J10.20 ||inductance spark || ||Disconnect a 6 V battery from a 2000 turn coil to get a spark, enhance with an iron core. ||
||5J10.21 ||back EMF || ||A 4.5 V battery lights a neon bulb when the current to an inductor is disrupted. ||
||5J10.22 ||neon back EMF || ||The coils of a electromagnet are connected in parallel with a neon bulb. ||
||5J10.23 ||neon self induction || ||A neon lamp across an inductor will glow on one side during charging and will flash on the other when the current is interrupted. ||
||5J10.25 ||inductance and the wheatstone bridge || ||The galvanometer in a Wheatstone bridge is connected after an inductor has reach steady state or at the same time the current is started in the inductor. ||
||5J10.26 ||simulating ideal self-induction || ||A nulling circuit compensates for the steady state current in a coil. ||
||5J10.30 ||back EMF - spark || || ||
||5J10.30 ||back emf spark || ||A one inch spark is produced when the switch of a large electromagnet is opened. ||
||5J10.32 ||electromagnetic inertia || ||A spark will jump across an almost closed loop of wire rather than go around when attached to a Leyden jar. ||
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-||<:10%>'''PIRA #'''||<:>'''Demonstration Name'''||<:60%>'''Abstract'''||
|| 5J20.10 ||	RL time constant on scope ||	Show the RL time constant on a scope. ||
|| 5J20.10 ||	LR time constant on scope ||	The current and voltage of an slow time constant LR circuit are displayed on a dual trace storage oscilloscope. ||
|| 5J20.10 ||	L/R time constant ||	A plug in circuit board with a make before break switch for showing slow RL time constants on the oscilloscope. ||
|| 5J20.10 ||	RL time constant ||	The RL time constant is shown on a scope. ||
|| 5J20.11 ||	time constant of an inductive cir. ||	Compare the time constant of an inductor using different cores on an oscilloscope. ||
|| 5J20.20 ||	lamps in series or parallel with ind.	||	Hook light bulbs in series with a large electromagnet.	||
|| 5J20.20 ||	current in an inductive circuit ||	Light bulbs across and in series with a large electromagnet show the current in an inductive circuit. ||
|| 5J20.20 ||	lamps in series and parallel on EM ||	Two lamps are used to indicate voltage across and current through a large electromagnet. ||
|| 5J20.20 ||	series lamps on an EM ||	Light bulbs are hooked up in series with a large electromagnet. ||
|| 5J20.20 ||	lamps in parallel with solenoid ||	Apply 110 V to a large solenoid with incandescent and neon lamps in parallel. The neon lamp flashes on the opposite side on discharge. ||
|| 5J20.21 ||	lights in series and parallel	||	A circuit with a 5 H inductor has neon lamps in series and in parallel. ||
|| 5J20.25 ||	inductor characteristics	||	A bulb in parallel with a coil does not burn when powered by dc, but does when coupled to a high frequency source. ||
|| 5J20.30 ||	LR time constant ||	Substitute a inductor and resistor of the same R in a circuit that lights a neon bulb. ||
+||<10%  style="text-align:center">'''PIRA #''' ||<style="text-align:center">'''Demonstration Name''' ||<style="text-align:center">'''Subsets'''||<60%  style="text-align:center">'''Abstract''' ||
||5J20.10 ||RL time constant on scope || ||Show the RL time constant on a scope. ||
||5J20.10 ||LR time constant on scope || ||The current and voltage of an slow time constant LR circuit are displayed on a dual trace storage oscilloscope. ||
||5J20.10 ||LR time constant on scope ||pira200||A plug in circuit board with a make before break switch for showing slow RL time constants on the oscilloscope. ||
||5J20.10 ||RL time constant || ||The RL time constant is shown on a scope. ||
||5J20.11 ||time constant of an inductive cir. || ||Compare the time constant of an inductor using different cores on an oscilloscope. ||
||5J20.20 ||lamps in series or parallel with inductor ||pira200||  Two lamps are used to indicate voltage across and current through a large electromagnet. Do this with the iron core in and then removed. ||
||5J20.20 ||current in an inductive circuit || ||Light bulbs across and in series with a large electromagnet show the current in an inductive circuit. ||
||5J20.20 ||lamps in series and parallel on EM || ||Two lamps are used to indicate voltage across and current through a large electromagnet. ||
||5J20.20 ||series lamps on an EM || ||Light bulbs are hooked up in series with a large electromagnet. ||
||5J20.20 ||lamps in parallel with solenoid || ||Apply 110 V to a large solenoid with incandescent and neon lamps in parallel. The neon lamp flashes on the opposite side on discharge. ||
||5J20.21 ||lights in series and parallel || ||A circuit with a 5 H inductor has neon lamps in series and in parallel. ||
||5J20.25 ||inductor characteristics || ||A bulb in parallel with a coil does not burn when powered by dc, but does when coupled to a high frequency source. ||
||5J20.30 ||LR time constant || ||Substitute a inductor and resistor of the same R in a circuit that lights a neon bulb. ||
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-||<:10%>'''PIRA #'''||<:>'''Demonstration Name'''||<:60%>'''Abstract'''||
|| 5J30.10 ||	RLC ringing	||	The voltages across the L and C of a slow RLC circuit are displayed on a dual trace storage oscilloscope while the circuit is energized and de energized. ||
|| 5J30.10 ||	characteristic times in a parallel ||	Slow parallel RLC ringing on an oscilloscope. ||
|| 5J30.10 ||	ringing circuit	||	Ringing from an RLC circuit is shown on an oscilloscope. ||
|| 5J30.10 ||	characteristic times in a series RLC ||	Slow series RLC ringing on an oscilloscope. ||
|| 5J30.10 ||	RLC ringing	||	A circuit for showing LC ringing on a oscilloscope. ||
|| 5J30.11 ||	damped LRC oscillation ||	Discharge a capacitor through a series LRC circuit. Vary the capacitance and resistance. ||
|| 5J30.15 ||	RLC ringing	||	A motor driven commutator switches a circuit from charging to discharging so RLC ringing decay can be observed on an oscilloscope. Picture, Diagram, Construction details in appendix, p.1334. ||
|| 5J30.20 ||	RLC ringing	||	A DC circuit with RC charging and RLC discharging. ||
|| 5J30.21 ||	RLC ringing	||	A circuit to charge a capacitor either with or without an inductance in series. ||
|| 5J30.30 ||	singing arc	||	A ordinary carbon arc is shunted by a series LC circuit. ||
+||<10%  style="text-align:center">'''PIRA #''' ||<style="text-align:center">'''Demonstration Name''' ||<style="text-align:center">'''Subsets'''||<60%  style="text-align:center">'''Abstract''' ||
||5J30.10 ||RLC ringing || ||The voltages across the L and C of a slow RLC circuit are displayed on a dual trace storage oscilloscope while the circuit is energized and de energized. ||
||5J30.10 ||characteristic times in a parallel || ||Slow parallel RLC ringing on an oscilloscope. ||
||5J30.10 ||ringing circuit || ||Ringing from an RLC circuit is shown on an oscilloscope. ||
||5J30.10 ||characteristic times in a series RLC || ||Slow series RLC ringing on an oscilloscope. ||
||5J30.10 ||RLC ringing || ||A circuit for showing LC ringing on a oscilloscope. ||
||5J30.11 ||damped LRC oscillation || ||Discharge a capacitor through a series LRC circuit. Vary the capacitance and resistance. ||
||5J30.15 ||RLC ringing || ||A motor driven commutator switches a circuit from charging to discharging so RLC ringing decay can be observed on an oscilloscope. Picture, Diagram, Construction details in appendix, p.1334. ||
||5J30.20 ||RLC ringing || ||A DC circuit with RC charging and RLC discharging. ||
||5J30.21 ||RLC ringing || ||A circuit to charge a capacitor either with or without an inductance in series. ||
||5J30.30 ||singing arc || ||A ordinary carbon arc is shunted by a series LC circuit. ||

fw: Diff for "Inductance"

Inductance

5J10. Self Inductance

5J20. LR Circuits

5J30. RLC Circuits-DC