Question

What is photo cell?Write any two device where photo cell is used.

Answer 1

Photocell is a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current.
Used for photographic light meters, automatic on-at-dusk street lights

Answer 2

HEY MATE HERE IS YOUR ANSWER.

PHOTOCELL:-
it is a device which converts light energy into electrical energy.

USES:-
1. THEY ARE USED IN TELEVISION.
2. THEY ARE USED IN FIRE ALARMS.

HOPE IT HELPS