Physics, asked by prakashjha210, 8 months ago

uses of photoelectric cells

Answers

Answered by Aarohiranga1627

3

Answer:

1) Photoelectric cells are also used in obtaining electrical energy from sunlight during space travel.

2)These cells are used in instruments measuring light illumination.

3) These cells are used in opening and closing of door automatically.

4)Photoelectric cells are used in burglar alarm and fire alarm.

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