Question # 1

The S.I unit of potential difference is:

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Ampere

Coulomb

Volt

Watt

A transformer has 100 turns in its primary and 500 turns in secondary coil. If 6 volts D.C is applied across its primary, the voltage induced across its secondary coil will be:

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0 volt

30 volts

45 volts

60 volts

At mean position of pendulum, the potential energy of the pendulum is:

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Maximum

Minimum

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Both a and c

The half life of plutonium²³⁶Pu₉₄is:

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2.00 years

2.35 years

2.79 years

2.85 years

The motion in which the friction reduces the mechanical energy of the system as times passes and the amplitude of motion reduces is called:

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SHM

Randum motion

Damped motion

None of these

The unit of spring constnat is:

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m

kg

Nm²

Nm^-1

The example of magnetic disk is:

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Compact disk

Floppy disk

Audio cassette

Video cassette

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

isotopes are atom of same element with different.

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Atomic mass

Atomic number

Number of proton

Number of electron

In simple pendulum motion, restoring force is provided by:

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Air resistance

Tension in the string

Inertia

Weight of the body

Which instrument measures the potential difference:

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Voltmeter

Barometer

Galvanometer

Ammeter

At mean position of pendulum, the potential energy of the pendulum is:

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Maximum

Minimum

Much more

Both a and c

1 MB = ________________ Kilobytes

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1022

1023

1024

1025

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10th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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