The high resistance of the reverse-biased collector junction

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The high resistance of the reverse-biased collector junction is due to the fact that—

1. A small change in collector bias voltage causes a large change in collector current.
2. A large change in collector bias voltage causes very little change in collector current.
3. A small change in emitter current causes an almost equal change in collector current.
4. A small change in emitter bias voltage causes a large change in collector current.

Correct Option: B

NA