Question # 1

If one of the resistors in a parallel circuit is removed, the total resistance will be:

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Doubled

Decreased

Increased

Remain same

1 volt is equal to:

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JC

JC^-1

JC^-2

JC^-3

The open switch Boolean expression is represented by:

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0

1

10

2

Boolean expression for AND operation is:

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X = A̅

X = A + B

X = A . B

X = A̅B̅

The quantities, whose values remain constant or vary continuously are called.

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Analogue quantities

Digital quantities

Maximum quantities

Minimum quantities.

The device which converts digital quantities into analog quantities is called:

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ADC

DAC

ACD

CAD

If A input is 1 and B is zero, then in AND operation output will be:

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0

0.1

1

None of these

If the potential energy of none coulomb charge is one joule then its potential will be:

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5 volt

2 volt

3 volt

1 volt

The amount of current that can be painful is:

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0.005A

0.001A

1A

2A

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

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0.1A

0.015A

2A

1A

The base of computer operation are:

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1,2

0, 1

0, 2

1, 10

AND gate can be formed by using two:

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NOT gates

OR gates

NOR gates

Nand gates

For the emission of electrons from the tungsten filament the values of current and voltage are taken as:

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0.1 A and 2V

0.2 A and 4V

0.3A and 6V

0.4A and 8V

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Physics 10th Class English Medium Unit 7 Online Test MCQs With Answers

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