MCQOPTIONS
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| 1. |
The magnetic field, due to a circular coil radius a, carrying a current I, at an axial point distance z from the centre of the coil, is given by: |
| A. | \(B=(\mu_0 ia^2)/(2(a^2 + z^2)^{3/2})\) |
| B. | \(B=(ia^2)/(2(a^2 +z^2)^{3/2})\) |
| C. | \(B=(\mu_0 ia^2)/(2(a^2 + z^2))\) |
| D. | \(B=(\mu_0 ia^2)/(a^2 + z^2)^2\) |
| Answer» B. \(B=(ia^2)/(2(a^2 +z^2)^{3/2})\) | |