Ed-1 Back EMF Due to Current of Self Induction
Aim
To light a fluorescent tube using a 24V battery and an inductor.
Apparatus
- Circuit on board
- Fluorescent tube
- 9V battery
Back EMF Apparatus and Circuit.
Description
The switch is closed allowing current to flow through the inductor. On opening the switch the back EMF is large enough to momentarily light the fluorescent tube.