Magnetism and magnetic fields

Question 1 of 10

The magnetic field inside a long solenoid is nearly uniform.

Question 2 of 10

Copper can be magnetised.

Question 3 of 10

Small regions in a magnetic material in which atoms are aligned are called ___.

Question 4 of 10

The angle of dip at the magnetic equator is ___°.

Question 5 of 10

A wire of length 0.1 m carrying 10 A lies at 90° to a magnetic field of 0.1 T. Find the force on it.

Question 6 of 10

The strength of an electromagnet increases when

Question 7 of 10

The angle between the geographic and magnetic meridians is called

Question 8 of 10

Describe the structure and action of an electric bell.

Question 9 of 10

A wire of length 0.5 m carrying 3 A lies at 90° to a magnetic field of 0.1 T. Find the force on it.

Question 10 of 10

A wire of length 0.1 m carrying 10 A lies at 30° to a magnetic field of 0.5 T. Find the force on it.