Q. A push pull amplifier balance out

View solution

Q. In a Darlington pair

View solution

Q. In CC configuration, the output signals has approximately

View solution

Q. The PIV of a bridge rectifier is less than that of full wave rectifier with centre tapped transformer.

View solution

Q. Zero bias works only with

View solution

Q. Which of the following statement is correct?

View solution

Q. In a bipolar transistor at room temperature if the emitter current is doubled the voltage across its base emitter junction

View solution

Q. Which one of the following power amplifier has the maximum efficiency?

View solution

Q. Negative feedback lowers the cut off frequency and increase the upper cut off frequency of amplifier.

View solution

Q. In a single-stage RC coupled common emitter amplifier, the phase shift at the lower 3 dB frequency is

View solution

Q. If the thermal resistance of a transistor is lower it means

View solution

Q. A Darlington pair has β = 300. If RE = 1 kΩ and RL = 100 Ω, the input impedance at the base is approximately

View solution

Q. Barkhausen criterion is 1 + Avβ = 0.

View solution

Q. The voltage gain of which transistor configuration is less than unity?

View solution

Q. Linear transistor circuits always operate in

View solution

Q. The common emitter short circuit current gain β of a transistor

View solution

Q. A complementary symmetry amplifier has

View solution

Q. The units of q/KT are

View solution

Q. A FET has

View solution

Q. A TRIAC is a semiconductor device which acts as a

View solution