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An oil drop of radius 10^(-6)m carries a...

An oil drop of radius `10^(-6)m` carries a charge equal to that on an electron. If the density of the oil is `2xx10^(3)kg m^(3)`, find the electric field required to keep it stationary. Take `e=1.6xx10^(-19)C` and `g=9.8 ms^(-2)`.

Text Solution

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The correct Answer is:
`5.13 xx 10^(5) Vm^(-1)`
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