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

Question # 1

A current carrying conductor produces a field around it is called:

Choose an answer

Electric field

Magnetic field

Both a and b

None of these

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Question # 2

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

Choose an answer

Self induction

Mutual induction

Electromagnetic induction

None mutual induction

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Question # 3

In D.C.motor split rings are made of:

Choose an answer

Steel

Carbon

Copper

Iron

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Question # 4

The lines will be in the form of concentric circles, if conductor is:

Choose an answer

Circular

Straight

Solenoid

None of these

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Question # 5

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

Choose an answer

Shape of coil

Sixe of coil

Magnet

Strength of field

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Question # 6

The line which passes through pole of the mirror and center of curvature is called principal:

Choose an answer

Axis

Focus

Line

None of these

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Question # 7

The coil of a transformer which is connected to A.C is called:

Choose an answer

Primary coil

Secondary coil

Field coil

Armature coil

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Question # 8

Who discovered Electromagnetic induction?

Choose an answer

Michael Faraday

Flemiing

Ohm

Coulomb

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Question # 9

When an electric current passes through a conductor, which field is produced around it?

Choose an answer

Electric field

Magnetic field

Gravitational field

Electrostatic field

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