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Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of current I would be
Options
(a) [ML²T⁻²]
(b) [ML²T⁻¹I⁻¹]
(c) [ML²T⁻³I⁻²]
(d) [ML²T⁻³I⁻¹]
Correct Answer:
[ML²T⁻³I⁻²]
Explanation:
According to Ohm’s law,
V=RI or R = V/I
Dimensions of V=W/q = [ML²T⁻²]/[IT]
R=[ML²T⁻²/IT]/[I] =[ML²T⁻³I⁻²]
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Topics: Physical World and Measurement
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron of mass m and a photon have same energy E. The ratio of de-Broglie
- If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions
- The unit of reactance is
- A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
- The time period of a simple pendulum in a lift descending with constant acceleration g is
Topics: Physical World and Measurement (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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