Statement1: The magnetic filed at the ends of very long current carrying solenoid is half of that at the centre.
Statement2: If the solenoid is sufficiently long, the field within it is uniform.

Options

A. If both Statement 1 and Statement 2 are true, the Statement 2 is the correct explanation of Statement1.
B. If both Statement 1 and Statement 2 are true, Statement 2 is not the correct explanation of Statement 1.
C. If Statement 1 is true, Statement 2 is false.
D. If Statement 1 is false, Statement 2 is true.

Answer

B

Explanation

(b) For a solenoid, `B_(end)=1/2 B_(in)`. Also, for a long solenoid
magnetic field is uniform within it but this reason does not
explain Statement I.