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Mention the principle behind the working...

Mention the principle behind the working of a transformer. Can a transformer used to step up a d.c. voltage ?

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Mutual induction.
No.
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Mention the principle behind the working of a transformer. Can a transformer be used to step up a de voltage ?

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Knowledge Check

  • A transformer is used to

    A
    Increase A C voltages only
    B
    Decreased AC voltages only
    C
    Either (a) or (b)
    D
    Increase or decrease DC voltages

  • A transformer steps up or asteps down

    A
    A.C. only
    B
    either A.C. or D.C
    C
    D.C. only
    D
    A.C. mixed with D.C.

  • A transformer works on the principle of

    A
    Self induction
    B
    Electrical inertia
    C
    Mutual induction
    D
    Magnetic effect of the electrical current

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