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Electric Charges And Fields

Question

How many electrons make up one Coulomb of negative charge?

Solution

Using the formula for quantisation of electric charge,
$q = n e, n = q / e$

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

Therefore, $6.25 \times 10^{18}$ electrons make 1 Coulomb of charge.

Some More Questions From Electric Charges and Fields Chapter

a) An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not?
b) Explain why two field lines never cross each other at any point?

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Electric Charges And Fields

How many electrons make up one Coulomb of negative charge?

Some More Questions From Electric Charges and Fields Chapter

a) An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not?
b) Explain why two field lines never cross each other at any point?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Electric Charges And Fields

How many electrons make up one Coulomb of negative charge?

Some More Questions From Electric Charges and Fields Chapter

a) An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not?b) Explain why two field lines never cross each other at any point?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

a) An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not?
b) Explain why two field lines never cross each other at any point?