Question # 1

The voltage is decreased by:

Choose an answer

Step-up transformer

Step-down transformer

A.C. generator

D.C. Motor

The step-up transformer

Choose an answer

Increases the input current

Increase the input voltage

Has more turns in the primary

Has less turns in hte secondary coil

In C.R.O grid is always connected with potential:

Choose an answer

Negative

Positive

High positive

Zero positive

In electric motor, the brushes are made of:

Choose an answer

Lead

Graphite

Iron

Wood

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

Choose an answer

Eliptical

Trangular

Rectangular

Circular

In compound microscope, the objective have focal length than eye-piece:

Choose an answer

Smaller

Larger

Equal

Equal and larger

George Boole invented:

Choose an answer

Boolean algebra

Arithmetic algebra

Mean algebra

Geometry

The output of a NAND gate is 0 when:

Choose an answer

Both of its inputs are 0

Both of its inputs are 1

Any of its inputs is 0

Any of its inputs is 1

Which statement is true about the magnetic poles?

Choose an answer

Unlike poles repel

Like poles attract

Magnetic poles do not effect each other

A single magnetic pole does not exist

One micro coulomb charge is equal to:

Choose an answer

10^-3c

10³c

10⁶c

10^-6c

The refractive index of ice is:

Choose an answer

1.00

1.33

1.31

2.42

A.C generator works on the principle of:

Choose an answer

Electrostatic induction

Electromagnetic induction

Law of gravitation

Third law of motion

To see from submarine and the ship at the surface of water, we use:

Choose an answer

Telescope

Microscope

Periscope

Prism

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