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NCERT Question 2 (MCQ) - Chapter 12 Class 10 - Electricity

Last updated at Dec. 16, 2024 by Teachoo

Which of the following terms does not represent electrical power in a circuit?
(a) I 2 R (b) IR 2 (c) VI (d) V 2 /R

Transcript

NCERT Question 2 Which of the following terms does not represent electrical power in a circuit? (a) I2R (b) IR2 (c) VI (d) V2/R (b) IR2 Explanation: Power is given by P = I2R P = V I P = V2/R Derivation of formula is given in the next page We know that P = V I Putting V = I R P = (I R) × I P = I2 R Putting I = 𝑽/𝑹 P = V × 𝑉/𝑅 P = 𝑉^2/𝑅
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Chapter 12 Class 10 - Electricity

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