A npn transistor in CE mode is used as a...

A npn transistor in CE mode is used as an amplifier `R_in = 0.5K Omega` and `R_out = 2K Omega`. The graph of `i_c` vs. `i_b` is as shown in diagram. The voltage gain for the transistor will be

a. 100

b. 200

c. 400

d. 50

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