A magnet is in the form of a bar. Initially, the axis of the bar magnet is along the x-axis. At some distance from the magnet, a coil is kept in the y-z plane with its center along the x-axis. Which of the following motions of the bar magnet will NOT induce an electric current in the coil?
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- As north pole is moved towards the coil, magnetic field increases in the direction of motion. So, by Fleming's right hand rule current will be in anti-clockwise direction, when viewed in the direction of the motion of the magnet.
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Answer:
If the bar magnet is kept stationary then no current be induced in the coil. Explanation: As the north pole is moved towards the coil, the magnetic field will increase in the direction of motion. By Fleming's right-hand rule we can say that the current will be in an anti-clockwise direction.
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