Question # 1

According to ohm’s law V= :

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I²R

IR²

IR

I/R

Which element is used to locate the ulcer in brain?

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Iodine-131

Phosphorus-32

Carbon-14

Potassium-40

What will be the capacitance of capacitor by joining them in parallel:

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Increased

Much less

Decrease

No change

If the change of current in a circuit induces a current in another circuit, this phenomena is known as:

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Self induction

Mutual induction

Electromagnetic induction

None mutual induction

The step-up transformer

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Increases the input current

Increase the input voltage

Has more turns in the primary

Has less turns in hte secondary coil

The unit of electrical energy is:

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Joule

Watt

Volt

Electron volt(eV)

In totally reflecting prism one angle is of:

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45°

90°

180°

120°

The displacement produced in the spring directly proportional to force is called:

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Hook's law

Boyle's law

Newton's law

both 'b' and 'c'

Which memory consists of integrated circuits?

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Primary memory

Audio cassette

Video cassette

Compact cassette

The output of OR gate would be '0' When:

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Both of its inputs are zero

One of its two inputs is zero

Both of its inputs ar 1

Any one of its inputs is 1

Safe level of noise depends on factors:

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One

Two

Three

Four

The distance between two consecutive troughs or crests is called:

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wavelength

Frequency

Time period

None of these

When a heavy nucleus splits into lighter nuclei,the process would.

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Release nuclear energy

absorb nuclear energy

Release Chemical energy

Absorb Chemical Energy

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