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Which of the following terms does not represent electrical power in a circuit?

  • (a)\( I^2R \)
  • (b) \( IR^2 \)
  • (c)VI
  • (d) \(V^2 \)/R


Answer :



(b)\( IR^2 \)
Power of an appliance determines the rate at which electrical energy is delivered to it. Electrical power is given by the expression, P = VI … (i) According to Ohm's law, V = IR … (ii) where, V = Potential difference I = Current R = Resistance So, it can be written that

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