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

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.

Video