# 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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• #### K4-01: AC/DC GENERATOR

Demonstrate a simple AC/DC generator Read More
• #### K4-02 MAGNETOELECTRIC GENERATOR WITH LAMP

Demonstrate a small 110VAC magnetoelectric generator Read More
• #### K4-04: MAGNETOELECTRIC GENERATOR WITH AC INDICATOR BULB

Show explicitly a generator producing AC output Read More

• #### K4-06: MAGNETOELECTRIC GENERATOR WITH CAPACITOR

Demonstrate that the generator is producing electrical energy, and that the capacitor stores electrical energy Read More
• #### K4-07 BICYCLE GENERATOR

Demonstrates a large scale 110 VAC magnetoelectric generator Read More
• #### K4-08: MAGNETOELECTRIC GENERATOR WITH INDUCTOR

Demonstrate how a magnetoelectric generator stores energy in an inductor and how that energy is returned to the generator Read More
• #### K4-09: BICYCLE GENERATOR - LIGHT BULBs VS CFLs

Compare brightness and power requirements of regular tungsten filament light bulbs and compact fluorescent lamps Read More
• #### K4-21: ST. LOUIS MOTOR

Demonstrate the structure and operation of a simple motor Read More
• #### K4-22: DC MOTOR

Show how a DC motor works Read More
• #### K4-23: AC MOTOR - SYNCHRONOUS

Demonstrate the concept of a synchronous motor Read More
• #### K4-24: AC/DC MOTOR

Demonstrate the construction and the operation of AC and DC motors Read More
• #### K4-25: DC MOTOR - HOMEMADE

Illustrate possibly the world's simplest motor Read More
• #### K4-41: MOTOR-GENERATOR PAIR

Demonstrate that a motor and a generator are the same Read More
• #### K4-51: UNIPOLAR MOTOR

Demonstrate a very simple unipolar motor Read More
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