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प्रश्न
What is the principle behind the working of a transformer?
लघु उत्तर
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उत्तर
The principle behind the working of a transformer is mutual electromagnetic induction.
It states that when an alternating current flows through a primary coil, it creates a continuously changing magnetic field around it. This changing magnetic field passes through a neighboring secondary coil, inducing an alternating voltage (emf) across its ends.
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