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1 Coulomb = ________ Electro Static Unit.

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in Physics – Class 12 by (135k points)
1 Coulomb = ________ Electro Static Unit.

(a) 3*10^9

(b) 3*10^8

(c) 1.602*10^-19

(d) 2*10^9

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The question is from Electric Charges in portion Charges and Fields of Physics – Class 12

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Correct option is (a) 3*10^9

The explanation is: 1 Coulomb means   3*10^9 Electro Static Unit of charge. Coulomb and ESU are two different units of charge and their conversion formula is necessary. Coulomb is the unit of charge in the SI system and esu is the unit of charge in the CGS system.

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