Question # 1

One micro coulomb charge is equal to:

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10^-3c

10³c

10⁶c

10^-6c

The number of lines of force in a magnetic field depends upon.

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Shape of coil

Sixe of coil

Magnet

Strength of field

According to Fleming's left hand rule the direction of magnetic field is indicated by:

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Thumb

Forefinger

Middle finger

Right hand rule

The voltage is decreased by:

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Step-up transformer

Step-down transformer

A.C. generator

D.C. Motor

Which device has two coils, primary and secondary?

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D.C. Motor

Transformer

A.C. genrator

a and b

If the current in a wire which is placed perpendicular to a magnetic field increases, the force on the wire.

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Increases

Decreases

Remains the same

Will be zero

Number of poles in a magnet is:

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One

Two

Three

Unlimited

The direction of induced e.m.f. in a circuit is in accordance with conservation of.

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Mass

Charge

Momentum

Energy

D.C. motor converts.

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Mechanical energy into electrical energy

Mechanical energy into chemical energy

Electrical energy into mechanical energy

Electrical energy into chemical energy

Transformer which increase voltage is called.

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Step-up transformer

Step down transformer

D.C.Moter

A.C.genrator

Which statement is true about the magnetic poles?

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Unlike poles repel

Like poles attract

Magnetic poles do not effect each other

A single magnetic pole does not exist

A positive electric charge:

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Attracts other positive charge

Repels other positive charge

Attract a neutral charge

Repels a neutral charge

The angle at which prism deviates the incident ray is called:

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Angle of incident

Angle of reflection

Angle of deviation

Angle of minimum deviation

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Physics 10th Class English Medium Unit 6 Online Test MCQs With Answers

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