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If a circuit has a current of 3 A and a resistance of 4 ohms, what is the power consumed? (2020)

Practice Questions

1 question
Q1
If a circuit has a current of 3 A and a resistance of 4 ohms, what is the power consumed? (2020)
  1. 12 W
  2. 7 W
  3. 15 W
  4. 9 W

Questions & Step-by-step Solutions

1 item
Q
Q: If a circuit has a current of 3 A and a resistance of 4 ohms, what is the power consumed? (2020)
Solution: Power (P) is calculated using P = I^2 * R = (3 A)^2 * 4 ohms = 12 W.
Steps: 7

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