The input signal given to a CE amplifier having a voltage gain of 150 is $V_i = 2 \cos ( 15t + \frac{\pi}{3})$. The corresponding output signal will be :

Question

( A ) $300 \cos ( 15 t + \frac{ \pi}{3} )$
( B ) $300 \cos ( 15 t + \frac{2 \pi}{3} )$
( C ) $300 \cos ( 15 t + \frac{4 \pi}{3} )$
( D ) $300 \cos ( 15 t + \frac{5 \pi}{3} )$