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A charged sphere of mass 2.8 X 10 -4 kg is suspended from a string. An electric force acts horizontally on the sphere so that the string makes an angle of 33° with the vertical when at rest. Find (a) the magnitude of the electric force and (b) the tension in the string.

A charged sphere of mass 2.8 X 10-4 kg is suspended from a string. An electric force acts horizontally on the sphere so that the string makes an angle of 33° with the vertical when at rest. Find (a) the magnitude of the electric force and (b) the tension in the string.

Grade:11

1 Answers

Kevin Nash
askIITians Faculty 332 Points
7 years ago
234-1516_1.PNG
Therefore, the magnitude of electric force on charged sphere is 17.5 x 10-4 N.
234-1347_1.PNG
Therefore, the magnitude of tension in the string is 33 x 10-4 N .

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