Questions and Answers - Electric Charges

which of the following ch - age is impossible? a) 1.6x 10-19 b)4.8x10th 0442210 10 di 4.2x1019 ans : Q=ne n-of = 1.6x10-19 =1 1.6x10-19 b) 4.8x10 19 =3 1.6x10 0 4.2x15"6 = 256.2 x 10 3 1.6x1079 1.6 2625 d) 4.2x10 2.625 19 1.6x10 D is impossible

16 ? If 10 electrones are added to a body , then total cha- age of the body is 17.6x103c 2) - 116x1019 C 3) 1.6 x 10 19 4) - 1.6x10 3 ans: mass added = nxme = 10 16, 9.1X 10-31 = 9.1.15 kg dis the answer.

? HOW many electrons are present in one collumb change?

ans: 18 1)16610 f 2) 6.25x 10th 18 () 6.25 X10 18 d) 1. 6x 10 ans: Q=IL n= Q e = I 1.6x1019 19 =0.625x10 18 = 6.25x10