ANALOG ELECTRONICS QUIZ

In a MOSFET, the polarity of the inversion layer is the same as that of the

majority carries in the source .

majority carries in the substrate.

minority carriers in the drain .

charge on the gate electrode.

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The value of total collector electric current in a CB circuit is

IC = ÃŽÂ²IE.

IC = ÃŽÂ±IE.

IC = ÃŽÂ±IE - ICO.

IC = ÃŽÂ±IE + ICO.

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In MOSFET devices the N-channel type is better the P-channel type in the following respects

it is TTL compatible.

it has better noise immunity.

it is faster.

it has better drive capability.

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

output.

base.

collector.

input.

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The base-emitter voltage of the second approximation is

0 V.

1 V.

0.7 V.

0.3 V.

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For a diode, reverse recovery time is defined as the time between the instant diode current becomes zero and the instant reverse recovery current decays to

0.

15% of reverse peak current.

10% of reverse peak current.

25% of reverse peak current.

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For emitter bias, the voltage at the emitter is 0.7 V less than the

collector voltage.

base voltage.

emitter voltage.

ground voltage.

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Doping in a semiconductor increases which quantity

None

Resistance

Inductance

Conductance

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MOSFET uses the electric field of

none of these.

both (A) and (B).

barrier potential of p-n junction to control the channel current.

gate capacitance to control the channel current.

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If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be

2.3mA

5.2mA

4.6mA

3.2mA

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