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If the current through a resistor is tripled, what happens to the power dissipated in the resistor? (2022)

Practice Questions

1 question
Q1
If the current through a resistor is tripled, what happens to the power dissipated in the resistor? (2022)
  1. Increases by 3 times
  2. Increases by 9 times
  3. Remains the same
  4. Decreases by 3 times

Questions & Step-by-step Solutions

1 item
Q
Q: If the current through a resistor is tripled, what happens to the power dissipated in the resistor? (2022)
Solution: Power is proportional to the square of the current (P = I²R). If I is tripled, P increases by 3² = 9 times.
Steps: 0

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