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A current of 2 A flows through a 10 Ω resistor. What is the power dissipated?

944Medium DSSSB TGT Computer Science 0 replies 1 views
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A current of 2 A flows through a 10 Ω resistor. What is the power dissipated?

  • A80 W
  • B20 W
  • C40 W
  • D5 W
Correct answer: C

Explanation

P = I²R = 2² × 10 = 40 W.

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