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Electrical Engineering · all questions

FET(Field Effect Transistors)
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

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

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The output characteristics of a JFET closely resemble the output characteristics of a ___________ valve

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The constant-current region of a JFET lies between

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A JFET has high input impedance because ___________

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A MOSFET differs from a JFET mainly because ___________

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If the reverse bias on the gate of a JFET is increased, then width of the conducting channel ___________

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If the gate of a JFET is made less negative, the width of the conducting channel ___________

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

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In a certain common source D-MOSFET amplifier, Vds =3.2 V r.m. and Vgs = 280 mV r.m.s. The voltage gain is ___________

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

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The input control parameter of a JFET is ___________

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The input impedance of a JFET is ___________ that of an ordinary transistor

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A MOSFET uses the electric field of a ___________ to control the channel current

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A JFET has three terminals, namely ___________

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The source terminal of a JEFT corresponds to ___________ of a vacuum tube

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A JFET is a ___________ driven device

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A JFET has ___________ power gain

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A JFET is also called ___________ transistor

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A common base configuration of a pnp transistor is analogous to ___________ of a JFET

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A MOSFET has ___________ terminals

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