SATHEE: Physics And Measurement Question 246

Physics And Measurement Question 246

Question: Let Q denote the charge on the plate of a capacitor of capacitance C. The dimensional formula for $\frac{Q^{2}}{C}$ is

Options:

A) $[L^{2} M^{2} T]$

B) $[L M T^{2}]$

C) $[L^{2} M T^{- 2}]$

D) $[L^{2} M^{2} T^{2}]$

Show Answer

Answer:

Correct Answer: C

Solution:

[c] We know that $\frac{Q^{2}}{2 C}$ is energy of capacitor, so it represent the dimension of energy $= [M L^{2} T^{- 2}]$

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