5 Electricity & Magnetism

Magnet and iron filings

The iron filings are kept in the shaker bottles. The smaller bottle has a finer
Catalog: 
5H10.30A
Location: 
Cc2
Used with specially prepared overhead projectors, magnetic field lines are shown by sprinkling iron filings on top of glass plates which have magnets in various configurations attached underneath.

Light bulb with a capacitor

The power source can be a power supply, Genecon generator or battery pack.
Catalog: 
5C30.30
Location: 
Ca4
The Genecon hand cranked generator is used to charge the 1 F capacitor and then discharged through a bulb. It takes a long time indicating a time constant.

Scotch Tape Electrostatics

The dowel is color coded red and green. The tape is color coded with a wet erase
Catalog: 
5A10.151
Location: 
Scotch tape is used to demonstrate electrostatic principles.

Back EMF Inductance Spark

When the touching alligator clips are pulled apart there is a big spark.
Catalog: 
5J10.20A
Location: 
A current of 10 to 20 amps flows through the wire when the alligator clips are touching. There is an internal resistance of about half and ohm. When the wires are pulled apart a big spark occurs.

Gold Leaf Electroscope

Catalog: 
5A22.30
Location: 
21-3
Gold leaf electroscope

Radar Magnet

The aluminum bar and brace are used with a twist to remove the keeper. The first
Catalog: 
5G10.10A
Location: 
Do3
Powerful permanent magnet.

Electroscope in a cage

Catalog: 
5B20.30A
Location: 
23-3
Faraday's electroscope in a cage

Jumping ring

Catalog: 
5K20.30A
Location: 
Da1

PASCO Ring Launcher.

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