Physics And Measurement Question 242

Question: Dimensions of ‘resistance’ are same as (where h is Planck’s constant and e is charge)

Options:

A) $ \frac{h}{e} $

B) $ \frac{h^{2}}{e} $

C) $ \frac{h}{e^{2}} $

D) $ \frac{h^{2}}{e^{2}} $

Show Answer

Answer:

Correct Answer: C

Solution:

[c] $ \frac{h}{e^{2}}=\frac{ML^{2}{{T}^{-1}}}{{{(AT)}^{2}}}=ML^{2}{{T}^{-3}}{{A}^{-2}} $ = Resistance (ohm)



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