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If a 9V battery is connected to a 3Ω resistor, what is the power dissipated in the resistor? (2023)

Practice Questions

1 question
Q1
If a 9V battery is connected to a 3Ω resistor, what is the power dissipated in the resistor? (2023)
  1. 3W
  2. 9W
  3. 6W
  4. 12W

Questions & Step-by-step Solutions

1 item
Q
Q: If a 9V battery is connected to a 3Ω resistor, what is the power dissipated in the resistor? (2023)
Solution: Power (P) can be calculated using P = V²/R = (9V)² / 3Ω = 81 / 3 = 27W.
Steps: 7

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