# PHYS272

## P2-24: GIANT-LIGHT BULB

Purpose: Demonstrate color and intensity changes of blackbody radiation with temperature.

## K7-61: TESLA COIL

Category: K7 RLC Circuits
Purpose: Demonstrate a tesla coil, including how magnetic induction and a resonant RLC circuit is used in the production of high-voltage high-frequency sparks.

## K7-41: RC CIRCUIT - DIFFERENTIATION AND INTEGRATION

Category: K7 RLC Circuits
Purpose: Demonstrate differentiation and integration using RC circuits.

## K7-15: CURRENT IN RC CIRCUIT?

Category: K7 RLC Circuits
Purpose: Demonstrate charging of a capacitor in a possibly counterintuitive way.

## K7-12: RC CIRCUIT - RC TIME CONSTANT - PROJECTION METERS

Category: K7 RLC Circuits
Purpose: Measure an RC time constant and to observe the shape of the charging and discharging curves.

## K8-52: MICROWAVE MAGNETRON

Purpose: Show students what the magnetron tube from a typical microwave oven looks like.

## K8-44: RADIOWAVES - COUPLING OF WAVES

Purpose: Illustrate inductive coupling using radio waves.

## K6-12: SERIES/PARALLEL LIGHT CIRCUIT CONUNDRUM

Purpose: Test your ability to analyze series/parallel circuit.

## K5-44: NON-OHMIC DEVICE - LIGHT BULB

Purpose: Show the change in resistance of a light bulb with temperature.

## K5-32: RESISTANCE VS DIAMETER AND LENGTH

Purpose: Determine how resistance varies as a function of diameter and length for the same material.

## K5-35: RESISTORS AT LN TEMPERATURE

Purpose: Illustrate materials with both positive and negative temperature coefficients of resistivity.

## K5-23: ROTATING TWO-COLOR LED

Purpose: Demonstrate that what comes out of a 110 VAC plug is in fact alternating current.

## K5-14: ELECTRIC CELL

Purpose: Demonstrate how an electric cell is formed.

## K5-13: ELECTRIC CURRENT - MODEL

Purpose: Indicate how electrons really flow through a conductor.

## K4-06: MAGNETOELECTRIC GENERATOR WITH CAPACITOR

Purpose: Demonstrate that the generator is producing electrical energy, and that the capacitor stores electrical energy; also that a generator can run in reverse as a motor.

## K3-05: DEMOUNTABLE TRANSFORMER - WELDER

Category: K3 Transformers
Purpose: Show that very large currents can be produced in the secondary of a step-down transformer.

## K2-64: UNIPOLAR GENERATOR

Purpose: Demonstrate unipolar generation of DC voltage, which may involve an explanation other than electromagnetic induction.

## K2-28: DEMOUNTABLE TRANSFORMER - 10 KV ARC

Purpose: Demonstrate that a large voltage increase is attainable using a transformer.

## K2-25: MUTUAL INDUCTION - DEMOUNTABLE TRANSFORMER

Purpose: Demonstrate mutual induction and to show the effect of various core materials.
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• #### J4-01 PARALLEL PLATE CAPACITOR

Demonstrates that potential difference across a capacitor is proportional to the plate separation Read More
• #### J4-03: PARALLEL PLATE CAPACITOR - SERIES CAPACITORS

Demonstrate the effect of capacitors in series. Read More
• #### J4-04 PARALLEL PLATE CAPACITOR - IONIZATION OF AIR

Demonstrates the mobility of ions Read More
• #### J4-12: ELECTROSTATIC FORCE - MOVING LUMBER

Demonstrate polarization of water molecules. Read More
• #### J4-13: MATCHSTICK ON NICKLE UNDER GLASS

A simple trick easily solved with the application of electrostatic force and the polar nature of water molecules. Read More
• #### J4-21: COLOR FILTER MODEL OF CHARGED DIELECTRIC

Represent charge separation in a capacitor dielectric. Read More
• #### J4-22 PARALLEL PLATE CAPACITOR WITH DIELECTRIC

Demonstrates that inserting a dielectric into a capacitor increases the capacitance Read More
• #### J4-23: POLARIZATION OF DIELECTRIC - DISSECTIBLE LEYDEN JAR

Demonstrate that energy is stored in a capacitor as charge separation in the dielectric. Read More
• #### J4-24: FORCE ON DIELECTRIC IN ELECTRIC FIELD

Demonstrate the force on a dielectric in an electric field. Read More
• #### J4-31 ENERGY STORED IN A CAPACITOR

Demonstrates that energy is stored in a capacitor and how that energy may be used Read More
• #### J4-32 DISCHARGE OF CAPACITOR WITH BANG

Demonstrates that capacitors store electrical energy Read More
• #### J4-41: CAPACITORS

Display a variety of capacitors Read More
• #### J4-42: CAPACITORS IN SERIES AND PARALLEL

Demonstrate the voltage/charge/capacitance relationships in series and parallel capacitor circuits. Read More
• #### J4-43: CAPACITORS IN SERIES AND PARALLEL WITH PROJECTION METER

Illustrate voltage relations in series and parallel capacitor circuits. Read More