Question

A constant current is flowing through a solenoid. An iron rod is inserted in the solenoid along its axis. Which of the following quantities will not increase?

विकल्प

• The magnetic field at the centre

• The magnetic flux linked with the solenoid

• The rate of heating

• The self-inductance of the solenoid

Answer 1

The rate of heating

Explanation:

Since the current remains constant, the rate of heating will not increase.