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Network TheorySeries & Parallel Circuits

Two resistors of 6 ohm and 3 ohm are connected in parallel. Their equivalent resistance is?

  • A2 ohm
  • B3 ohm
  • C4.5 ohm
  • D9 ohm
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Correct Answer: A. 2 ohm
Explanation: For two parallel resistors, Req = R1R2/(R1+R2) = 18/9 = 2 ohm.
Reference: Standard network theory: series & parallel circuits
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