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Two parallel conduction plates 5mm apart are held horizontally one above the other. The upper plate is maintained at a positive potential of 15 kV while the lower plate is earthed. If a small oil drop of relative density 0.92 and of radius remains stationary between the plates, then the charge on the drop will be.


Two parallel conduction plates 5mm apart are held horizontally one above the other. The upper plate is maintained at a positive potential of 15 kV while the lower plate is earthed. If a small oil drop of relative density 0.92 and of radius remains stationary between the plates, then the charge on the drop will be.


     

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
8 years ago

|E|=15000/0.005 N/C

|F|=|E|*Q=(4π/3)(5*10-6)3*0.92*g

 

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