Question # 1

To display a digit of EIGHT, the number of ON LED'S are:

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Two

Three

Five

Seven

Eight

A digital system deals with quantities which has discrete values:

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Two in number

One in number

Three in number

Four in number

None of these

Michael Faraday is known by his work on

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Nuclear strong force

Gravitational force

Nuclear weak force

Electric force

None of these

The number of input terminals of an op-amp is:

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One

Two

Three

Four

None of these

Computer chips are made from:

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Iron

Silicon

Helium

Stontium

Aluminium

Electric field lines emerge from the charges in

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One dimension

Two dimensions

Three dimensions

Four dimensions

None of these

Origin of the electric and the gravitational forces

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Was known in 1911 A.D.

Was known in 1811 A.D.

Was known in 1711 A.D.

is still unknown

Was known in 1611 A.D.

.Depletion region contains:

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Protons

Positive ions

Negative ions

Both (B) and (C)

Both (A) and (C)

If both the inputs given to a gate ae 1 such that the output is 0, then it is:

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AND gate

NOR gate

OR gate

NOT gate

Both (A) and (C)

In the text book, the transistor amplifier circuit is a:

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Common emitter circuit

Common collector circuit

Common base circuit

Any of these

None of these

To turn the transistor OFF, the base current is set:

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At maximum value

At zero

Either (A) or (B)

All are correct

None of correct

The concept of electric field theory was introduced by

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Michael Faraday

Newton

Dalton

Kepler

Einstein

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Physics ECAT Pre Engineering Chapter 18 Electronics Physics Online Test MCQs With Answers

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