XOXGRENADEXOX2208 XOXGRENADEXOX2208

11-03-2024
Physics

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An oil drop carrying a charge q has a mass m kg. It is falling freely in air withterminal speed v. The electric field required to make the drop move upwardswith the same speed is
a. mg/q
b. 2mg/q
c. mgv/q²
d. 2mgv/q

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