ANALOG ELECTRONICS QUIZ

A JFET can operate in

depletion and enhancement mode only.

depletion mode only.

none of these.

enhancement mode only.

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YOUR ANSWER : ?

Which of following is not an essential element of a DC power supply?

Filter.

Rectifier.

Voltage regulator.

Voltage amplifier.

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Asource follower using an FET usually has a voltage gain which is

Greater than +100

About -10

Exactly unity but negative

Slightly less than unity but positive

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In a differential amplifier, the CMRR is limited mostly by the

CMRR of the opamp.

supply voltages .

gain - bandwidth product.

tolerance of the resistors.

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A transistor series voltage regulator is called emitter follower regulator because the emitter of the pass transistor follows the ________________________ voltage.

base.

collector.

input.

output.

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The extremely high input impedance of a MOSFET is primarily due to the

absence of its channel.

depletion of electric current carriers.

negative gate-source voltage.

extremely small leakage electric current of its gate capacitor.

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Conventional biasing of a BJT has

EB forward biased and CB forward biased.

EB reversed biased and CB reversed biased.

EB forward biased and CB reversed biased.

EB reversed biased and CB forward biased.

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Peak inverse voltage (PIV) can be termed as

Reverse saturation voltage.

Zener break down voltage.

Advalance break down village.

Peak repetitive voltage.

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With both bases grounded, the only offset that produces an error is the

input bias current.

input offset voltage.

ÃŽÂ².

input offset current.

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Secondary breakdown occures in

MOSFET but not in BJT.

Both BJT and MOSFET.

BJT but not is MOSFET.

None of these.

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YOUR ANSWER : ?

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