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A tiny spherical oil drop carrying a net charge q is balanced in still air with a vertical uniform electric field of strength 5 10 7 81   Vmñ1 . When the field is switched off, the drop is observed to fall with terminal velocity 2 × 10ñ3 m sñ1 . Given g = 9.8 m sñ2 , viscosity of the air = 1.8 × 10ñ5 Ns mñ2 and the density of oil = 900 kg mñ3 , the magnitude of q is :

 A tiny spherical oil drop carrying a net charge q is balanced in still air with a vertical uniform electric field of strength 5 10 7 81   Vmñ1 . When the field is switched off, the drop is observed to fall with terminal velocity 2 × 10ñ3 m sñ1 . Given g = 9.8 m sñ2 , viscosity of the air = 1.8 × 10ñ5 Ns mñ2 and the density of oil = 900 kg mñ3 , the magnitude of q is :

Grade:12

1 Answers

Arun
25750 Points
6 years ago
Dear Aryan
Some digits are not readable. Please repost the question or you can also attached an image.
I will be happy to help you.
Regards
Arun (askIITians forum expert)

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