Question

Assertion (A): For a solenoid having N turns, B = µ₀µᵣNI/L .
Reason (R): For all magnetic materials, B increases linearly with I.

a.

Both A and R are true and R is correct explanation of A

b.

Both A and R are true but R is not correct explanation of A

c.

A is true but R is false

d.

A is false but R is true

Answer: (c).A is true but R is false

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Q. Assertion (A): For a solenoid having N turns, B = µ₀µᵣNI/L . Reason (R): For all magnetic materials, B increases linearly with I.

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