A point Q is moving in a circular orbit of radius R in the x-y plane...
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A point Q is moving in a circular orbit of radius R in the x-y plane with an angular velocity. This can be Qo considered as equivalent to a loop carrying a steady current . A uniform magnetic field along the positive z-axis 2 is now switched on, which increases at a constant rate from 0 to B in one second. Assume that the radius of the orbit remains constant. The application of the magnetic field induces an emf in the orbit. The induced emf is defined as the work done by an induced electric field in moving a unit positive charge around closed loop. It is known that, for an orbiting charge, the magnetic dipole moment is proportional to the angular momentum with a proportionality constant y. The magnitude of the induced electric field in the orbit at any instant of time during the time interval of the magnetic field change, is BR (A) (B) BR 2 (C) BR (D) 2BR A point Q is moving in a circular orbit of radius R in the x-y plane with an angular velocity. This can be Qo considered as equivalent to a loop carrying a steady current . A uniform magnetic field along the positive z-axis 2 is now switched on, which increases at a constant rate from 0 to B in one second. Assume that the radius of the orbit remains constant. The application of the magnetic field induces an emf in the orbit. The induced emf is defined as the work done by an induced electric field in moving a unit positive charge around closed loop. It is known that, for an orbiting charge, the magnetic dipole moment is proportional to the angular momentum with a proportionality constant y. The magnitude of the induced electric field in the orbit at any instant of time during the time interval of the magnetic field change, is BR (A) (B) BR 2 (C) BR (D) 2BR
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University Physics with Modern Physics
ISBN: 978-0321696861
13th edition
Authors: Hugh D. Young, Roger A. Freedman, A. Lewis Ford
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