

MCQOPTIONS
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1. |
At the centre of a current carrying single turn circular loop, the magnetic field is |
A. | \(\bar B = \frac{I}{{2\pi \mu_0 R}}\) |
B. | \(B = \;\frac{{{\mu _0{}}I}}{{2R}}\) |
C. | \(B = \;\frac{{{\mu _0{}}I}}{{2\pi R}}\) |
D. | \(\bar B = \frac{{\mu_0 I}}{{2\pi {R^2}}}\) |
Answer» C. \(B = \;\frac{{{\mu _0{}}I}}{{2\pi R}}\) | |