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In a circuit, if the current is doubled while the resistance remains constant, what happens to the power? (2020)

Practice Questions

1 question
Q1
In a circuit, if the current is doubled while the resistance remains constant, what happens to the power? (2020)
  1. It doubles
  2. It quadruples
  3. It remains the same
  4. It halves

Questions & Step-by-step Solutions

1 item
Q
Q: In a circuit, if the current is doubled while the resistance remains constant, what happens to the power? (2020)
Solution: Power is given by P = I²R. If I is doubled, P becomes (2I)²R = 4I²R, which is quadrupled.
Steps: 0

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