A transistor RC coupled amplifier is designed for a voltage and band gain of 20. But a measurement at a particular frequency shows the gain to be only 14. What is the likely phase shift at this frequency?

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

In a CB amplifier the maximum efficiency could be

A. 99%

B. 85%

C. 50%

D. 25%

In a p⁺n junction diode under reverse bias, the magnitude of electric field is maximum at

A. The edge of the depletion region on the p-side

B. The edge of the depletion region on the n-side

C. The p⁺n junction

D. The center of the depletion region on the n-side

To prevent a DC return between source and load, it is necessary to use

A. Resistor between source and load

B. Inductor between source and load

C. Capacitor between source and load

D. Either A or B