# 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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• #### C7-01: AIR TRACK - ELASTIC COLLISIONS

Demonstrate conservation of energy and conservation of momentum in elastic collisions Read More
• #### C7-02: AIR TRACK -INELASTIC COLLISIONS

Demonstrate conservation of momentum in elastic collisions Read More
• #### C7-03: AIR TRACK - SCATTERING WITHOUT CONTACT

Show that elastic scattering can occur between two objects without actual physical contact between the objects Read More
• #### C7-04: AIR TRACK - COLLISION VELOCITY MULTIPLIER

Illustrate velocity multiplication with a three-to-one mass ratio collision Read More
• #### C7-11: COLLISIONS OF BALLS - EQUAL MASSES

Demonstrates conservation of energy and conservation of linear momentum in multiple elastic collisions Read More
• #### C7-12: COLLISION OF BALLS - ONE LIGHTER MASS

Show what happens when one mass in a collision ball set is different from the others Read More
• #### C7-13: COLLISIONS OF BALLS - GRADUATED MASSES

Demonstrate how the velocity is multiplied by a sequence of collisions between balls of decreasing mass Read More
• #### C7-14: COLLISIONS OF BALLS WITH FLOOR

Illustrate collisions of different balls with the floor Read More
• #### C7-15 COLLISIONS OF BALLS - 3 TO 1 MASS RATIO

Shows velocity multiplication in colliding balls Read More
• #### C7-16: HAPPY AND UNHAPPY BALLS

Illustrate coefficient of restitution Read More
• #### C7-17 SUPERBALL

Illustrates nearly elastic collisions Read More
• #### C7-18 COLLISIONS OF BALLS - ASTROBLASTER

Shows velocity multiplication in colliding balls Read More
• #### C7-19: GAUSSIAN GUN

Demonstrate transfer of energy in an elastic collision Read More
• #### C7-21: ENERGY AND MOMENTUM - COLLISION AND PROJECTILE

Illustrate conservation of momentum and conservation of energy Read More

• #### C7-24: SILLY PUTTY

Show collisions with an unusual material Read More
• #### C7-25: SUPERBALL, VACUUM MUD AND WOOD BLOCK COLLISIONS

Show that a larger impulse is imparted by an elastic collision Read More

• #### C7-42: AIR TABLE - COLLISIONS OF PUCKS

Qualitatively demonstrate elastic and inelastic two-dimensional collisions Read More
• #### C7-43: AIR TABLE - SMALL - COLLISIONS OF PUCKS

Demonstrate collisions of pucks on an air table in rooms not accessible by the large air table Read More