Physics
The output current of a transformer in which the voltage is stepped down is usually higher than the input current. Explain why.
Electro-Magnetism
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Answer
For an ideal transformer, input power is equal to the output power. From relation P = VI, (where P is power, V is voltage and I is current) , we know that V and I are inversely related. In a step down transformer voltage is decreased and in order to keep the power same the output current increases.
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