ANALOG ELECTRONICS QUIZ

When P-type substance is connected with negative and n-type is connected with positive terminal of the battery then P-n junction diode is in ....................

None of these

No biased

Forward biased

Reverse biased

TRUE ANSWER : ?
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To prevent a DC return between source and load, it is necessary to use

Either A or B

Resistor between source and load

Capacitor between source and load

Inductor between source and load

TRUE ANSWER : ?
YOUR ANSWER : ?

The ideal value of stability factor of a biasing circuit is

5.

10.

100.

1.

TRUE ANSWER : ?
YOUR ANSWER : ?

The feedback factor of a Wien bridge oscillator using Op-Amp is

1/3

1

1/2

1/4

TRUE ANSWER : ?
YOUR ANSWER : ?

The voltage gain of a loaded differential amp is

smaller than the unloaded voltage gain.

large than the unloaded voltage gain.

equal to RC / re.

impossible to determine.

TRUE ANSWER : ?
YOUR ANSWER : ?

Negative feedback in an amplifier

Reduces bandwidth

Increases noise

Increase frequency &phase distortion

Reduces gain

TRUE ANSWER : ?
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Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250, are cascaded. The open circuit voltage gain of combined amplifier is

98dB

51dB

102dB

49dB

TRUE ANSWER : ?
YOUR ANSWER : ?

The silicon transistor are more widely used than germanium transistors because

they have larger electric current carrying capacity.

they have better ability to dissipate heat.

they have smaller leakage current.

they have smaller depletion layer.

TRUE ANSWER : ?
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A pn junction/Diode is a/an

None of these

Linear component

Unidirectional Component

Bidirectional component

TRUE ANSWER : ?
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If the base resistor is open, what is the collect current?

10 mA.

1 mA.

2 mA.

0 mA.

TRUE ANSWER : ?
YOUR ANSWER : ?

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