If `beta, R_L and r` are the ac current gain, load resistance and the input resistance of a transistor respectively in CE configuration, the voltage and the power gains respectively are

Options

A. `beta(R_(L))/(r)"and"beta^(2)(R_(L))/(r)`
B. `beta(r)/(R_(L))"and"beta^(2)(r)/(R_(L))`
C. `beta(R_(L))/(r)"and"beta^(2)((R_(L))/(r))^(2)`
D. `beta(r)/(R_(L))"and"beta^(2)((r)/(R_(L)))^(2)`

Answer

A