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30 April, 14:59

A voltage of 21.0V across the terminals of a device produces a current of 3.00 mA through the device. What is the resistance of the device?

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  1. 30 April, 15:16
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    Answer: 7,000 ohms

    Explanation:

    From the equation of ohms law V = IR

    V=21 volt

    I = 3 MA = 3.0*10^-3 A

    So by evaluating, we have.

    V = IR

    21 = 3.0*10^-3 * R

    Then R = 21/3.0*10^-3

    R = 7,000 ohms//.
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