CARBOHYDRATE QUIZ

Class B amplifier is biased

None of these

just at cut-off.

nearly twice cut-off.

at midpoint of load line.

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Forward biased

Reverse biased

No biased

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YOUR ANSWER : ?

Which of the following transistor configuration circuit is much less temperature dependent ?

Common emitter.

Common base.

None of these

Common collector.

TRUE ANSWER : ?
YOUR ANSWER : ?

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

ÃŽÂ².

input offset voltage.

input bias current.

input offset current.

TRUE ANSWER : ?
YOUR ANSWER : ?

The diffusion capacitance of a forward biased P+N junction diode with a steady electric current I depends on

mean life time of the electrons.

width of the depleted region.

mean life time of the holes.

junction area.

TRUE ANSWER : ?
YOUR ANSWER : ?

In the active region, the collector current is not changed significantly by

collector resistance.

base supply voltage.

current gain.

base current.

TRUE ANSWER : ?
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Input impedance of MOSFET is

more than that of FET but less than BJT.

less than of FET but more than BJT.

less than that of FET and BJT.

more than that of FET and BJT.

TRUE ANSWER : ?
YOUR ANSWER : ?

The junction capacitance of linearly graded junction varies with the applied reverse bias, VR as

(VR)- 1/3.

(VR)- 1.

(VR)- 1/2.

(VR)1/2.

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Energy gap of conductor is

1 - 2 eV.

8 eV.

5 - 8 eV.

0 eV.

TRUE ANSWER : ?
YOUR ANSWER : ?

The base of an npn transistor is thin and

metallic.

lightly doped.

heavily doped.

doped by a pentavalent material.

TRUE ANSWER : ?
YOUR ANSWER : ?

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