Imagine a current carrying circular loop ofwire on the plane of your answer sheet. Themagnetic field inside the loop is into the planeof the paper.(i) What must be the direction of the currentin the loop?
Question
Imagine a current carrying circular loop ofwire on the plane of your answer sheet. Themagnetic field inside the loop is into the planeof the paper.(i) What must be the direction of the currentin the loop?
Solution
The direction of the current in the loop must be counterclockwise. This is because, according to the right-hand rule, if you point your thumb in the direction of the current, your fingers will curl in the direction of the magnetic field. So, if the magnetic field is into the plane of the paper, your fingers would be pointing downwards, meaning your thumb (and thus the current) must be going counterclockwise.
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