Question # 1

Transformer works on _______ supply.

Choose an answer

A.C

D.C

Battery

Both A and B

What is the direction of the magnetic field lines inside a bar magnet?

Choose an answer

From north pole to south pole

From south pole to north pole

From side to side

There are no magnetic field lines.

When did Michael Faraday discover Electromagnetic induction?

Choose an answer

1841

1831

1821

1811

A converging lens becomes a magnifying glass when an object is placed:

Choose an answer

Outside of focal length

Inside the focal length

Equal of focal length

At double of focal length

The force on a current carrying conductor is maximum if angle between field and conductor is:

Choose an answer

0^o

90^o

180^o

45^o

When you rub a plastic rod against your hair several times and put it near some bits of paper, the pieces of papers are attracted towards it. What does this observation indicate:

Choose an answer

The rod and the paper are oppositely charged

The rod acquires a positive charge

The rod and the paper have the same charges

The rod acquires a negative charge

The shape of magnetic lines of force in case of a straight current carrying conductor is:

Choose an answer

Eliptical

Trangular

Rectangular

Circular

When a current carrying conductor is placed in magnetic field at right angle to it. The direction of force acting upon it is:

Choose an answer

The same as direction of field

Opposite the direction of field

Makes an angle of 45^owith the current

At right angle to both the field and the current.

Which part of a D.C. motor reverses the direction of current through the coil every half-cycle.

Choose an answer

The armature

The commutator

The burshes

The slip rings

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

George Boole invented:

Choose an answer

Boolean algebra

Arithmetic algebra

Mean algebra

Geometry

In totally reflecting prism one angle is of 90°, and other two angles are of:

Choose an answer

30°,30°

45°,90°

45°,45°

40°,40°

The value of refractive index of water is:

Choose an answer

2.33

1.36

1.33

1.39

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer