For a constant collector-emitter voltage of 8 ~V, the collector current of a transistor reached to the value of 6 ~mA from 4 ~mA, whereas base current changed from 20 μ A to 25 μ A value. If transistor is in active state, small signal current gain (current amplification factor) will be:

Electronic Devices: JEE Main 2022 Physics question

JEE Main 2022 · 27 Jul, Evening shift · Q6911

JEE Main 202227 Jul, Evening shiftPhysicsMediumElectronic Devices66× since 2002

For a constant collector-emitter voltage of

8 \mathrm{~V}

, the collector current of a transistor reached to the value of

6 \mathrm{~mA}

from

4 \mathrm{~mA}

, whereas base current changed from

20 \,\mu \mathrm{A}

25 \,\mu \mathrm{A}

value. If transistor is in active state, small signal current gain (current amplification factor) will be :

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