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Field Effect Transistors – FET

If the cross-sectional area of the channel in n-channel JEFT increases, the drain current _____________?

August 11, 2021December 22, 2018 by admin
If the cross-sectional area of the channel in n-channel JEFT increases, the drain current _____________?

A. is increased
B. is decreased
C. remains the same
D. none of the above

Categories Field Effect Transistors - FET

The transconductance of a JFET ranges from ________________?

August 11, 2021December 22, 2018 by admin
The transconductance of a JFET ranges from ________________?

A. 100 to 500 mA/V
B. 500 to 1000 mA/V
C. 0.5 to 30 mA/V
D. above 1000 mA/V

Categories Field Effect Transistors - FET

The input impedance of a MOSFET is of the order of______________?

August 11, 2021December 22, 2018 by admin
The input impedance of a MOSFET is of the order of______________?

A. O
B. a few hundred O
C. kO
D. several MO

Categories Field Effect Transistors - FET

A MOSFET is sometimes called______________ JFET?

August 11, 2021December 22, 2018 by admin
A MOSFET is sometimes called______________ JFET?

A. many gate
B. open gate
C. insulated gate
D. shorted gate

Categories Field Effect Transistors - FET

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

August 11, 2021December 22, 2018 by admin
A MOSFET uses the electric field of a _______________to control the channel current?

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

Categories Field Effect Transistors - FET

If the gate of a JFET is made less negative, the width of the conducting channel__________________?

August 11, 2021December 22, 2018 by admin
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

Categories Field Effect Transistors - FET

The gate voltage in a JFET at which drain current becomes zero is called ______________ voltage?

August 11, 2021December 22, 2018 by admin
The gate voltage in a JFET at which drain current becomes zero is called ______________ voltage?

A. saturation
B. ch-off
C. active
D. cut-off

Categories Field Effect Transistors - FET

The pinch-off voltage of a JFET is about _______________?

August 11, 2021December 22, 2018 by admin
The ch-off voltage of a JFET is about _______________?

A. 5 V
B. 0.6 V
C. 15 V
D. 25 V

Categories Field Effect Transistors - FET

In class A operation, the input circuit of a JFET is ____________ biased?

August 11, 2021December 22, 2018 by admin
In class A operation, the input circuit of a JFET is ____________ biased?

A. forward
B. reverse
C. not
D. none of the above

Categories Field Effect Transistors - FET

The pinch-off voltage in a JFET is analogous to _____________ voltage in a vacuum tube?

August 11, 2021December 22, 2018 by admin
The ch-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

Categories Field Effect Transistors - FET
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