physics question Question 13, chap 133, sect 13. part 1 of 1 10 points Why does

Question

physics question Question 13, chap 133, sect 13. part 1 of 1 10 points Why does a transformer require alternating voltage? 1. The magnetic field produced by the primary coil can reach the secondary coil more easily. 2. Due to economic reasons; alternating voltage is cheaper to produce. 3. No specific reason; the constant voltage would work just as well. 4. If we apply a constant voltage to the primary coil, it will burn out due to short circuit. 5. Alternating voltage leads to electromagnetic induction which is necessary for the transformer to work. 6. Energy can be transferred more efficiently if alternating voltage is used.

Explanation / Answer

Option 5 is the correct explanation.

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