1.

The charge on 1 microgram (g) electron will be......(mass of an electron = 9.11 xx 10^(-31)kg)

Answer»

`1.76 XX 10^(-3)` C
`176 xx 10^(0)` C
`176 xx 10^(3)` C
`176 xx 10^(5)` C

Solution :CHARGE on `9.11 xx 10^(-31) kg = 1.6 xx 10^(-19)` C
Charge on `10^(-9)` kg - ?
`Q=(1.6 xx 10^(-19) xx 10^(-9))/(9.11 xx 10^(-31))`
`THEREFORE Q = 176 C`


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