Lessons

Eamcet Physics
2 nd Year : Unit 1.1 ( Electrostatics ) - Electrostatics

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Q.

Electric charges of 1μC,-1μC and 2μC are placed in air at the corners A, B and C respectively of an equilateral triangle ABC having length of each side 10 cm. The resultant force on the charge at C is

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Correct choice: B

Explanation:

From the figure, force of repulsion between the charges at A and C



Force of attraction between the charges at B and C also has the same magnitude of 1.8N and the angle between force of attraction and repulsion is 1200

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