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The common emitter short circuit current gain β of a transistor—

1. Is monotonically increasing function of the collector current I_C
2. Is monotonically decreasing function of the collector current I_C
3. Increases with I_C, for low I_C reaches maximum and then decreases with further increase in I_C
4. Is a not function of I_C

Correct Option: C

The common emitter short circuit current gain β of a transistor increases with I_C, for low I_C reaches maximum and then decreases with further increase in I_C.