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19 August, 11:07

The potential difference across a variable resistor is 11V and the current flowing through it is 0.4A.

What is the present resistance of this variable resistor?

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Answers (2)
  1. 19 August, 11:09
    0
    The resistance is 27.5 ohms
  2. 19 August, 11:11
    0
    Resistance = (potential difference) / (current)

    Resistance = (11 V) / (0.4 A)

    Resistance = 27.5 ohms
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