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What does emitter plate C do when light falls on it?

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Question

What does emitter plate C do when light falls on it?

Options

  • Measures potential difference

  • Emits electrons

  • Collects emitted electrons

  • Changes polarity between plates

MCQ
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Solution

Emitter plate C emits electrons when suitable light falls on it. These emitted electrons can travel toward collector plate A.

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