Question # 1

One byte is equal to:

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7 bits

5 bits

8 bits

9 bits

If current is flowing from bottom end to the top end in a wire, according to right hand rule the direction of line of forces would be:

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Anti-clock wise

Clock wise

Left and Right

Along the conductor.

Which instrument is used to detect current?

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Galvanometer

Voltmeter

Ammeter

Electroscope

If X = A,B, then X is 1 when:

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A and B are 1

A or B is 0

A is 0 and B is 1

A is 1 and B is 0

When 1 kg of Uranium -235 is fused then energy released is

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67 x 10¹⁰ J

67 x 10⁷J

67 J

7 J

The end of solenoid from which lines of force emerge out is called:

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North pole

South pole

North and south pole

None of these

What does the term e-mail stand for?

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Emergency mail

Electronic mail

extra mail

external mail

A normal eye can see near objects clearly at a distance of:

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20 cm

25 cm

30 cm

35 cm

Which device is used to increases / decreases A.C Voltage?

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Electric motor

Transformer

A.C Generator

Solenoid

the range of galvanometer to measure current is:

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few amperes

few micro amperes

few milli amperes

mega amperes

If the mass of a spring mass system is doubled, its time period becomes:

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√2 T

T/2

√T/2

T/√2

In case of OR and AND operation, if switches s₁ and s₂ both are open then lamp is:

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On

Off

Sometimes on and sometimes off

Neither on nor off

SI unit of electric potential is:

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Watt

Volt

Coulomb

Joule

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