A thin ring of 10 cm radius carries a uniformly distributed charge. The ring rotates at a constant angular speed of 40 π rad s^–1 about its axis

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A thin ring of 10 cm radius carries a uniformly distributed charge. The ring rotates at a constant angular speed of 40 π rad s^–1 about its axis, perpendicular to its plane. If the magnetic field at its centre is 3.8 × 10^–9 T, then the charge carried by the ring is close to (μ0 = 4 π × 10^–7 N/A^2 )
21
Nov
A thin ring of 10 cm radius carries a uniformly distributed charge. The ring rotates at a constant angular speed of 40 π rad s^–1 about its axis, perpendicular to its plane. If the magnetic field at its centre is 3.8 × 10^–9 T, then the charge carried by the ring is close to (μ0 [...]
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Tags: A thin ring of 10 cm radius carries a uniformly distributed charge. The ring rotates at a constant angular speed of 40 π rad s^–1 about its axis , perpendicular to its plane. If the magnetic field at its centre is 3.8 × 10^–9 T , then the charge carried by the ring is close to (μ0 = 4 π × 10^–7 N/A^2 ) ,