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A transistor is used as a common emitter...

A transistor is used as a common emitter amplifier with a load resistance `2 kOmega`. The input resistance is `150 Omega`. Base current is changed by `20 muA` which results in a change in collector current by 1.5 mA. The voltage gain of the amplifier is

A

(A) 900

B

(B) 1000

C

(C) 1100

D

(D) 1200

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