A circuit has a resistance of 200Ω. The resistance of the circuit can be reduced…

Physics JAMB 2014

A circuit has a resistance of 200Ω. The resistance of the circuit can be reduced to 120Ω when

  • A 300Ω resistor is connected to it in parallel checkmark
  • An 80Ω resistor is conneceted to it in series
  • A 150Ω resistor is connected to it in parallel
  • A 240Ω resistor is connected to it in series

The correct answer is: A

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