# 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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• #### J3-01: EXISTENCE OF ELECTRIC FIELDS

Demonstrate the existence of electric fields and to map them semi-quantitatively Read More
• #### J3-02: ELECTRIC FIELD OF RING OF CHARGE - MODEL

Aid in the visualization of the electric field of a ring of charge Read More
• #### J3-04: ELECTRIC FIELD LINES - SOAP BUBBLES

Show the shape of electric field lines for a large dipole by observing soap bubbles move along the lines Read More
• #### J3-05: VAN DE GRAAFF - INDUCTION WITH SPHERES AND NEON BULB

Demonstrate the existence of electric fields and to identify the polarity of the charge on a sphere Read More
• #### J3-06 ELLIPSOIDAL CONDUCTOR

Demonstrates that charge distribution on a conductor depends on the surface curvature Read More
• #### J3-07: VAN DE GRAAFF - DISCHARGE TO VARIOUS RADII

Demonstrate that for a charged conductor a smaller radius produces a higher electric field Read More
• #### J3-08 VAN DE GRAAFFS - INTERACTING FIELDS

Shows field lines for two identical charges Read More
• #### J3-11: EQUIPOTENTIALS/LINES OF FORCE - ONE CHARGE

Aid in visualization of equipotentials and lines of force Read More
• #### J3-13 POTENTIAL SURFACE MODEL WITH E FIELD VECTORS

Illustrates the relationship between the electrostatic potential and the electric field Read More
• #### J3-14 FLUX MODEL - ELECTROSTATICS

Aid in visualizing flux at an angle through a surface Read More