Question

If the capacitance of a nano-capacitor is measured in terms of a unit made by combining the electronic charge , Bohr radius , Plank's constant and speed of light then:

A

B

C

D

Medium
Solution
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Correct option is C)

Let unit u related with e, , h and c as follows. 
Using dimensional method,
a = 2, b=1, c = -1, d = -1


Solve any question of Electrostatic Potential and Capacitance with:-
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