Question # 1

The circuit of full wave rectification consist of

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Three diodes

Four diodes

Two diodes

One diode

In case of reverse biasing, current is flown due to:

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Minority charge carriers

Majority charge carriers

Electrons

Protons

The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.

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Ohms

Kilo Ohms

Mega Ohms

Thounds Ohms

Rectification is the process of converting.

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D.C. into A.C.

A.C. in to D.C.

Low signal to high

High signal to low

Depletion region carries.

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-ve charge

+ve charge

Ions

No charge

A PN junction can not be sued a.

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Rectifier

Amplifier

Detector

LED

In a transistor, collector current is controlled by:

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Collector voltage

Base current

Collector resistance

All of the above

A.C. can be converted into D.C. by

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An oscillator

Detector

An amplifier

Rectifier

The reverse saturation current in a PN junction diode is only due to:

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Majority carriers

Minoritycarriers

Acceptor ions

Donor ions

The P.D develop in case of silicon is:

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0.7V

0.3V

0.5V

0.9V

Truth table of logic function.

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Summarize its output values only

Tabulates all its input conditions only

Display all its input and output possibility

Is not base on logic algebra

Which factor does not affect the conductivity of PN-Junction diode.

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Doping

Temperature

Voltage

Pressure

The output of two input is zero only when its.

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Both inputs are zero

Either input is zero

Both inputs are one

Either input is one

In full wave rectification number of diodes required are equal to.

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2

3

4

5

Which device is used as a rectifier?

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Capacitor

Transistor

Diode

Transformer

For normal use:

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Emitter base function is reversed biased

Collector base junction is reserved biased

Emitter base junction is forward biased

Both c and b

The gain of transistor amplifier depends upon

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Resistance connected with collector

Resistance connected with base voltage

Input voltage

Output voltage

The symbol of p-n-p transistor is

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