alleryThe magnitude of the magnetic field at the centre of a circular current loop of radius R carrying current I is:
Aμ0 I/(2R)
Bμ0 I/(2πR)
Cμ0 I R/2
Dμ0 I²/(2R)
Answer & Solution
Correct answer: A. μ0 I/(2R)
B = μ0 I/(2R) at the centre.
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