Assertion: on freely suspending a current – carrying solenoid, it comes to rest in geographical n-s direction.
reason : one end of current carrying straight solenoid behaves as a north pole and the other end as a south pole, just like a bar magnet.
A. Both assertion and reason are true ans the reason is the correct explanation of assertion
B. Both assertion and reason are true ans the reason is not the correct explanation of assertion
C. Assertion is true but the reason is false
D. Assertion is false but the reason is true