BPSC – Combined Competitive Examination · પ્રશ્ન 16
A photoelectric cell is a device which:
જવાબ બતાવો અને સમજૂતી
જવાબ: (A) converts light energy into electrical energy
સમજૂતી
Photoelectric cells convert incident light into electric current (used in sensors, automatic doors, solar cells).
- (A) સાચો
Correct: it uses the photoelectric effect to produce current from light.
- (B) ખોટો
Wrong: that is a bulb/LED.
- (C) ખોટો
Wrong: it does not store energy.
- (D) ખોટો
Wrong: option A is correct.