The pinch-off voltage in a JFET is analogous to _____________ voltage in a vacuum tube ?
A. anode
B. cathode
C. grid cut off
D. none of the above
C. grid cut off
Field Effect Transistors MCQs
Field Effect Transistors MCQs. Multiple Choice Questions and Answers on the topic of Field Effect Transistors in Electrical and Electronics Engineering.
In class A operation, the input circuit of a JFET is ____________ biased ?
A. forward
B. reverse
C. not
D. none of the above
B. reverse
The pinch-off voltage of a JFET is about ?
A. 5 V
B. 0.6 V
C. 15 V
D. 25 V
A. 5 V
The gate voltage in a JFET at which drain current becomes zero is called ______________ voltage ?
A. saturation
B. pinch-off
C. active
D. cut-off
B. pinch-off
If the gate of a JFET is made less negative, the width of the conducting channel ?
A. remains the same
B. is decreased
C. is increased
D. none of the above
C. is increased/expand]
The input control parameter of a JFET is ?
A. gate voltage
B. source voltage
C. drain voltage
D. gate current
A. gate voltage
A MOSFET has ______________ terminals ?
A. two
B. five
C. four
D. three
D. three
A JFET is a__________ driven device ?
A. current
B. voltage
C. both current and voltage
D. none of the above
B. voltage
If the reverse bias on the gate of a JFET is increased, then width of the conducting channel ?
A. is decreased
B. is increased
C. remains the same
D. none of the above
A. is decreased
A JFET has ____________ power gain ?
A. small
B. very high
C. very small
D. none of the above
B. very high