Which of the following devices has the highest input impedance ?

Related Mcqs:

When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage?

A. decreases B. increases C. remains constant D. none of the above...

In a p-channel JFET, the charge carriers are _____________?

A. electrons B. holes C. both electrons and holes D. none of the above...

A MOSFET uses the electric field of a _______________to control the channel current?

A. capacitor B. battery C. generator D. none of the above...

A CS JFET amplifier has a load resistance of 10 kO , RD= 820O . If gm= 5mS and Vin= 500 mV, the output signal voltage is__________________?

A. 2.05 V B. 25 V C. 0.5 V D. 1.89 V...

In a certain CS JFET amplifier, RD= 1kO , RS= 560 O , VDD=10V and gm= 4500 µS. If the source resistor is completely bypassed, the voltage gain is ________________?

A. 450 B. 45 C. 2.52 D. 4.5...