Q.

One-coulomb charge is equivalent to the charge contained in?


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a

2.6 ×1019electrons

b

6.2 × 1019 electrons

c

2.65 ×1019 electrons

d

6.25 × 1019 electrons 

answer is D.

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Detailed Solution

One -coulomb charge is equivalent to the charge contained in 6.25 × 1019 electrons.
Coulomb is the SI unit of the charge. One coulomb means the quantity of charge transferred by using a current of 1 ampere in one second. Therefore, it is true that one coulomb is the quantity of charge from a current of 1 ampere flowing in 1 second.
1 C = 6.25 × 1019 electrons.
 
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