Name two devices in which electromagnets are used.

Important Questions on Magnetic Effects of Electric Current

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 2 - Magnetic Effects of Electric Current>EXERCISE>Q 38

What is the SI unit of magnetic field?

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 2 - Magnetic Effects of Electric Current>EXERCISE>Q 1

State the factors on which the strength of magnetic field at a point due to a current-carrying conductor depends. State the rule which gives the direction of magnetic field.

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 2 - Magnetic Effects of Electric Current>EXERCISE>Q 2

How does the strength of the magnetic field at the centre of a circular coil of wire, depend on (a) radius of the coil.

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 2 - Magnetic Effects of Electric Current>EXERCISE>Q 2

How does the strength of the magnetic field at the centre of a circular coil of wire, depend on (b) number of turns of the wire of the coil?

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 2 - Magnetic Effects of Electric Current>EXERCISE>Q 3

On what factors does the magnetic field produced by a current-carrying solenoid depend?

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 2 - Magnetic Effects of Electric Current>EXERCISE>Q 4

Mention five uses of an electric motor.

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 2 - Magnetic Effects of Electric Current>EXERCISE>Q 5

The magnetic field produced by a current-carrying circular coil having $n$ turns is equal to $n$ times the magnetic field produced by a current-carrying circular coil having a single turn. Why?

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 2 - Magnetic Effects of Electric Current>EXERCISE>Q 6

A current-carrying circular coil is lying in the plane of a table. If the current is flowing in clockwise direction, state the direction of magnetic field inside and outside the coil.