Assertion: The self-inductance of a long solenoid is proportional to the area of cross-section and length of the solenoid Reason: Self inductance of a solenoid is independent of the number of turns per unit length

Question

Assertion: The self-inductance of a long solenoid is proportional to the area of cross-section and length of the solenoid Reason: Self inductance of a solenoid is independent of the number of turns per unit length (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

The self inductance of a long solenoid, the core of which consists of a magnetic material of permeability μr is given by L=μnμ0n2 Al

Q. Assertion: The self-inductance of a long solenoid is proportional to the area of cross-section and length of the solenoid
Reason: Self inductance of a solenoid is independent of the number of turns per unit length

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

The self inductance of a long solenoid, the core of which consists of a magnetic material of permeability $μ_{r}$ is given by $L = μ_{n} μ_{0} n^{2} A l$

Q. Assertion: The self-inductance of a long solenoid is proportional to the area of cross-section and length of the solenoid Reason: Self inductance of a solenoid is independent of the number of turns per unit length