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A square wire loop of resistance \(0.5\) \(\Omega\)/m, having a side \(10\) cm and made of \(100\) turns is suddenly flipped in a magnetic field \(B,\) which is perpendicular to the plane of the loop. A charge of \(2\times10^{-4} \) C passes through the loop. The magnetic field \(B\) has the magnitude of:
1. \(2\times10^{-6} \) T
2. \(4\times10^{-6} \) T
3. \(2\times10^{-3} \) T
4. \(4\times10^{-3} \) T
1. \(2\times10^{-6} \) T
2. \(4\times10^{-6} \) T
3. \(2\times10^{-3} \) T
4. \(4\times10^{-3} \) T
Subtopic: Â Magnetic Flux |
Level 3: 35%-60%
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What is the SI unit of \({\large\frac{\text{(magnetic flux)}}{\text{(electric resistance)}}}?\)
| 1. | volt | 2. | ampere |
| 3. | coulomb | 4. | volt-second |
Subtopic: Â Magnetic Flux |
 61%
Level 2: 60%+
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