Eb-7 Light Globe Under Water
Aim
To demonstrate induced EMF.
Apparatus
- Cenco electromagnet
- Variac
- Waxed coil with globe
- Beaker of water
Light Globe Underwater.
Description
The apparatus consists of a waxed coil connected to a 6 Volt torch globe. The coil may be submerged in a beaker of water and placed upon the protruding core of the electromagnet.
The variac voltage is increased and the globe lights. Do not apply more than 115 volts A.C.