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17 February, 13:39

A 1.5m wire carries a 3 A current when a potential difference of 74 V is applied. What is the resistance of the wire?

Answer : Units

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Answers (1)
  1. 17 February, 13:43
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    24.7 ohms

    Explanation:

    Given in the question,

    electric current = 3 A

    potential difference = 74 V

    Using ohm's law

    V = IR

    R = V/I

    here,

    R = resistance of wire

    V = potential difference

    I = electric current

    plug value in the formula

    R = 74/3

    R = 24.7 ohms

    Therefore, the resistance of the wire is, 24.7 ohms
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