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Question: Answered & Verified by Expert
In a RC circuit, where R is resistance and C is capacitance which of the following has the dimension of time.
PhysicsUnits and DimensionsTS EAMCETTS EAMCET 2022 (18 Jul Shift 2)
Options:
  • A RC
  • B CR
  • C RC
  • D RC
Solution:
2457 Upvotes Verified Answer
The correct answer is: RC

The current in DC ciruit containing resistance and capacitance is given by,

i=i01-e-tRC

As the power of e should be dimensionless, the dimensions of RC should be equal to that of time.

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