NextMockಪರೀಕ್ಷೆಗಳನ್ನು ಹುಡುಕಿ, ಉದಾ. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2023

BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 16

A photoelectric cell is a device which:

  1. converts light energy into electrical energy
  2. converts electrical energy into light energy
  3. stores light energy
  4. None of the above
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (A) converts light energy into electrical energy

ವಿವರಣೆ

Photoelectric cells convert incident light into electric current (used in sensors, automatic doors, solar cells).

  • (A) ಸರಿ

    Correct: it uses the photoelectric effect to produce current from light.

  • (B) ತಪ್ಪು

    Wrong: that is a bulb/LED.

  • (C) ತಪ್ಪು

    Wrong: it does not store energy.

  • (D) ತಪ್ಪು

    Wrong: option A is correct.