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March 29, 2017

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two resistors , 47 ohm and 82 ohm are connected in series across a 45 V battery. what is the current in the circuit ?

  • physics - ,

    The effective resistance of the two resistors in series is
    Reff = 47 + 82 = 129 ohms.
    The circuit current is
    I = V/Reff = 45/129 = ___ Amps

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