ANALOG ELECTRONICS QUIZ

Semiconductor material is

Bilateral

Pentavalent

Tetravalent

Trivalent

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If the base resistor is open, what is the collect current?

10 mA.

1 mA.

2 mA.

0 mA.

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A small collector current with zero base current is caused by the leakage current of the

emitter diode.

transistor.

collector diode.

base diode.

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A D - MOSFET can operate in the

low - impedance.

depletion - mode only .

enhancement - mode only.

depletion - mode or enhancement - mode.

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If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point

up.

down.

nowhere.

off the load line.

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The β of a transistor is the ratio of the

emitter current to collector current.

collect current to emitter current.

collect current to base current.

base current to collector current.

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Voltage Series (feedback also called series-shunt feedback) results in

Decrease in input impedance & increase in output impedance

Decreases in both input & output impedances

Increase in input impedance & decreases in output impedance

Increase in both input & output impedances

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

negative gate-source voltage.

depletion of electric current carriers.

extremely small leakage electric current of its gate capacitor.

absence of its channel.

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What is the majority carriers of P type material ?

None of these

Protons

Holes

Electrons

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A depletion MOSFET differs from a JFET in the sense that it has no

gate.

p - n junction.

substrate.

channel.

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