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Magnetic Effect of Current — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsMagnetic Effect of Current2 Marks
Question
Can a transformer be used with direct current source? Give reason.
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Answer

No, a transformer cannot be used with direct current source. The reason is that with direct current source, there will not be any change in the magnetic flux linked with the primary coil, so no e.m.f. will be induced in the secondary coil.

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