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Two identical spherical balls of diameter 1 cm having charges 5C and 3C are brought in contact. After separation, the number of electrons on the first sphere is,

Two identical spherical balls of diameter 1 cm having charges 5C and 3C are brought in contact. After separation, the number of electrons on the first sphere is,

Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
Charge on round balls = (5+3)/2 = 4C. 
Number of electrons = (4 x 10-6)/(1.6 x 10-19) 
= 2.5 x 1013 electrons. 

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