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Grade 12Electrostatics

An infinite plane sheet of positive charge has surface charge density sigma.A metallic ball of mass m and charge +Q is attached to a point and tied to thread A on the sheet PQ.What is the angle theta made by the string with the plane sheet ?

Profile image of Ebin Sunny Varghese
11 Years agoGrade 12
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1 Answer

Profile image of Saurabh Kumar
11 Years ago
Force exp by positive charge due to electric field of sheet.
Draw the diagram for the static equilibrium condition, write the force equations along horizontal and vertical and proceed...

Good Luck......