The ratio of the magnetic field at the centre of a current carrying circular wire and the magnetic field at the centre of a square coil made from the same length of wire will beA. `(pi^(2))/(4sqrt(2))`B. `(pi^(2))/(8sqrt(2))`C. `(pi)/(2sqrt(2))`D. `(pi)/(4sqrt(2))`

The ratio of the magnetic field at the centre of a current carrying ci

1.	The ratio of the magnetic field at the centre of a current carrying circular wire and the magnetic field at the centre of a square coil made from the same length of wire will beA. `(pi^(2))/(4sqrt(2))`B. `(pi^(2))/(8sqrt(2))`C. `(pi)/(2sqrt(2))`D. `(pi)/(4sqrt(2))`
Answer» Correct Answer - B

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The ratio of the magnetic field at the centre of a current carrying circular wire and the magnetic field at the centre of a square coil made from the same length of wire will beA. `(pi^(2))/(4sqrt(2))`B. `(pi^(2))/(8sqrt(2))`C. `(pi)/(2sqrt(2))`D. `(pi)/(4sqrt(2))`

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