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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 pinch-off voltage in a JFET is analogous to ___________ voltage in a vacuum tube

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At cut-off, the JFET channel is ___________

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For VGS = 0 V, the drain current becomes constant when VDS exceeds

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

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A n-channel D-MOSFET with a positive VGS is operating in ___________

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___________ has the lowest noise-level

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Which of the following devices has the highest input impedance?

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The transconductance of a JFET ranges from ___________

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In a p-channel JFET, the charge carriers are ___________

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The pinch-off voltage of a JFET is about ___________

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The two important advantages of a JFET are ___________

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In a JFET, IDSS is known as ___________

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A MOSFET is sometimes called ___________ JFET

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In a common source JFET amplifier, the output voltage is ___________.

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A CS JFET amplifier has a load resistance of 10 kΩ , RD = 820 V. If gm = 5 mS and Vin = 500 mV, the output signal voltage is

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In a FET, there are ___________ pn junctions at the sides

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The input impedance of a MOSFET is of the order of ___________

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A certain common source JFET has a voltage gain of 10. If the source bypass capacitor is removed, ___________

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A certain D-MOSFET is biased at VGS = 0 V. Its data sheet specifies IDSS = 20mA and VGS(off) = -5 V. The value of the drain current is ___________

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The gate of a JFET is ___________ biased

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