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A charged oil drop is suspended in unifo...

A charged oil drop is suspended in uniform field of `3 xx 10^(4) Vm^(-1)` so that it neither falls nor rises. The charge on the drop will be

A

`1.6xx10^(-18)` C

B

`3.3xx10^(-18)` C

C

`4.8xx10^(-18)` C

D

`6.4xx10^(-18)` C

Text Solution

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(2) `"QE "=" mg"`
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