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algebra

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The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 6 amperes when resistance is 940 ohms. What is the current when the resistance is 550 ohms?

  • algebra - ,

    V = IR = 6 * 940 = 5640 Volts.
    I = V / R = 5640 / 550 = 10.25 Amperes.

    OR

    I = (940/550) * 6 = 10.25 Amps.

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