Electrostatics Question 187

Question: Number of electrons in one coulomb of charge will be [MP PMT/PET 1998; Pb. PMT 1999; AIIMS 1999; RPET 2001]

Options:

A) $ 5.46\times 10^{29} $

B) $ 6.25\times 10^{18} $

C) $ 1.6\times {{10}^{+19}} $

D) $ 9\times 10^{11} $

Show Answer

Answer:

Correct Answer: B

Solution:

$ n=\frac{q}{e}=\frac{1}{1.6\times {{10}^{-19}}}=6.25\times 10^{18} $



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