Faraday's Dynamo and Barlow's Wheel Copper Disc in Magnet

Type of activity: demo
Activity code:  M-003


Description:

1. Use wooden blocks when putting in conical pole pieces. 
2. Connect as shown in diagram (photo is a similar but different setup).
3. Copper disc and contact should be sanded with fine sand paper. 
4. Avoid using over 9 A at 3 V D.C.

A. Faraday's Dynamo 
1. Turn circuit switch to meter position. 
2. Rotate metal disc by hand in both direction.s 
3. Observe direction of meter movement. 

B. Barlow's Wheel 
1. Turn circuit switch to power supply. 
2. Turn 12 Volt battery charger to ON position. 
3. Turn reversing switch to ON position. 
4. Observe direction of rotation. 
5. Change direction of reversing switch.

 

Apparatus

Slide Projector
Reverse Switch
Copper Disc
Brass Wheel
Galvanometer
Power Supply (6-12V)
Filed under:
Dean Thatcher says:
Sep 14, 2023 02:11 PM
Is more information available on this?
Some pictures do not load.
How does the lower disk contact hook up?