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प्रश्न
What changes when either a coil or a nearby magnet is moved so that their relative position changes?
पर्याय
The principle of conservation of energy
The unit of magnetic flux from weber to volts
The number of magnetic flux lines through the coil
The number of turns in the coil necessarily
MCQ
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उत्तर
Changing the relative position of the magnet and coil changes the magnetic flux through the coil. A changing flux can set up an induced emf.
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