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Electrostatics Part 3

Section: Physics

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Question : 12

Total: 70

A simple pendulum has a bob with mass m and charge q. The pendulum string has negligible mass. When a uniform and horizontal electric field

is applied, the tension in the string changes. The final tension in the string, when pendulum attains an equilibrium position is ____ .

[22 Jan 2026 Shift 1]

mg−qE
√m2g2+q2E2
mg+qE
√m2g2−q2E2

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