In a CB amplifier the maximum efficiency could be____________?

Related Mcqs:

A 741-type OP-AMP has a gain-bandwidth product of 1MHz. A non-inverting amplifier using this op-amp & having a voltage gain of 20db will exhibit -3db bandwidth of__________?

A. 50 KHz B. 100KHz C. 1000/17 KHz D. 1000/7.07 KHz...

In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db &2db respectively, then its common mode rejection ratio is__________?

A. 23dB B. 25dB C. 46dB D. 50dB...

A differential amplifier is invariably used in the i/p stage of all OP-amps. This is done basically to provide the OP-amps with a very high_________?

A. CMMR B. Bandwidth C. Slew rate D. Open-loop gain...

The action of JFET in its equivalent circuit can best be represented as a_____________?

A. Current controlled Current source B. Current controlled voltage source C. Voltage controlled voltage source D. voltage controlled current source...

An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are________?

A. fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz. B. fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz C. fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz D. fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz...