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Question: Answered & Verified by Expert
If R, XL and XC represent resistance, inductive reactance and capacitive reactance. Then which of the following is dimensionless:
PhysicsUnits and DimensionsJEE MainJEE Main 2023 (31 Jan Shift 1)
Options:
  • A R XL XC  
  • B RXLXc
  • C RXLXc
  • D RXLXc
Solution:
1008 Upvotes Verified Answer
The correct answer is: RXLXc

As resistance, inductive reactance and capacitive reactance have same unit ohm. So, all three have same dimension.

Thus, RXLXC is dimensionless.

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