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What is alternate current

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What is alternate current

    • Posted by Jyotish Kumar 5 years, 11 months ago

    ICSE & ISC > Class 12 > Physics
    • 1 answers

    Yogita Ingle 5 years, 11 months ago

    • Alternating current is defined as the current that varies like a sine function with time.
    • The value of current will oscillate between a maximum value and a minimum value.
    • In case of AC the current is changing its magnitude at every instant of time.
    • The direction of current will be clockwise and anticlockwise and it will keep on repeating.
    • Frequency of the alternating current is defined as how fast the electrons are changing their directions. For example: If frequency is 20Hz this means electrons are moving back and forth 20 times in a second.
    • DC voltage gives rise to DC current similarly AC voltage give rise to AC current.

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