Electric current can be produced in a wire by simply moving a magnet into or out of a wire coil. Option A is correct.
According to Faraday's law of electromagnetic induction, the rate of change of magnetic flux link with the coil is responsible for generating emf in the coil to result in the flow of amount of current .
The phenomenon of inducing voltage by changing the magnetic field around a conductor will be Electromagnetic Induction.
So in order to increase the current, we need to increase the EMF;
so we can increase it by;
1) Increasing the number of turns
2) Increase the area of the loop
3) By moving the magnet faster
Hence, option A is correct.
To learn more about Faraday law of electromagnetic induction:
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