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ICSE Class 10 Physics Question 4 of 27

Solved Sample Paper 2 — Question 15

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15
Question

Question 1(xv)

Which of the following is not a representation of electric power?

  1. I2R
  2. V2R\dfrac{\text{V}^2}{\text{R}}
  3. VI
  4. I2V
Answer

I2R

Reason — One watt is the electric power consumed when a current of 1 ampere flows through a circuit having potential difference of 1 volt. Hence, P = VI = V2R=I2R\dfrac{\text{V}^2}{\text{R}} = \text{I}^2\text{R}