Question # 1

SI unit of electric potential is:

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watt

volt

coulomb

joule

Analogue quantity is:

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Time

Pressure

Distance

All of these

Which instrument is used to measure current, resistance and potential difference:

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Galvanometer

Digital meter

Voltmeter

Ammeter

The particles emitted from a hot cathode surface are:

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Positive ions

Negative ions

Proton

Electron

The product of charge ‘q’ and potential difference is equal to:

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Power

Force

Capacitance

Energy

Positive charge in an electric field always tend to move:

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Does not move

From lower to higher potential

From higher to lower potential

All of these

Big unit of capacitance is:

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Farad

Volt

Watt

Coulomb

AND gate can be formed by using two:

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NOT gates

OR gates

NOR gates

Nand gates

The closed switch in Boolean expression is represented by:

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0

1

10

2

The amount of current that causes the loss of muscle control is:

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0.1A

0.015A

2A

1A

The output of a NAND gate is 0 when

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Both of its inputs are 0

Both of its inputs are 1

any of its inputs is 0

any of its inputs is 1

Simplest electrical circuits use:

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One wire

Two wires

Four wires

Five wires

The base of computer operation are:

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1,2

0, 1

0, 2

1, 10

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