Why does a transformer require alternating volt age? 1. Alternating voltage lead

Question

Why does a transformer require alternating volt age? 1. Alternating voltage leads to electromagnetic induction which is necessary for the transformer to work. 2. Due to economic reasons; alternating voltage is cheaper to produce. 3. If we apply a constant. voltage to the primary coil, it will burn out due to short circuit. 4. No specific reason; the constant voltage would work just as well. 5. The magnetic field produced by the primary coil can reach the secondary coil more easily. 6. Energy can be transferred more efficiently if alternating voltage is used.

Explanation / Answer

Option 1 is the correct explanation for the given statement.

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