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29 August, 07:36

A circuit contains a 12 volt battery and two 3 ohm bulbs in series. Calculate the current

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  1. 29 August, 07:53
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    If there are two bulbs in series, and each bulb has

    resistance = 3 ohms,

    then their total resistance in series is 6 ohms.

    When the series pair of bulbs is connected across the terminals

    of the battery, the current through the circuit is

    Current = (voltage) / (resistance)

    = (12 volts) / (6 ohms) = 2 amperes
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