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6 September, 05:54

The current in a simple electric circuit varies inversely as the resistance. If the current is 20amps when the resistance is 5 ohms, find the current when the resistance is 8 ohms

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  1. 6 September, 08:26
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    0.5amps

    Step-by-step explanation:

    I is inversely proportional to resistance

    I = k/R

    k = I / R

    k = 20/5

    k = 4

    This means that, I = 4/R

    So, when R = 8ohms,

    I = 4/8

    =0.5amps
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