MCQOPTIONS
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MCQOPTIONS
| 1. |
A straight wire carrying a current 10 A is bent into a semicircular arc of radius 5 cm. The magnitude of magnetic field at the center is [CPMT 2000] |
| A. | \[1.5\times {{10}^{-5}}\,T\] |
| B. | \[3.14\times {{10}^{-5}}\,T\] |
| C. | \[6.28\times {{10}^{-5}}\,T\] |
| D. | \[19.6\times {{10}^{-5}}T\] |
| Answer» D. \[19.6\times {{10}^{-5}}T\] | |