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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
- The sun light reaches us as white and not as its components because
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
- In which of the follows decays, the element does not change?
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
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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