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Standard XII

Physics

Law of Conservation of Mechanical Energy

Two small bal...

Question

Two small balls,each having equal positive change $Q$ are suspended by two insulating strings of equal length L from a hook fixed to a stand. If the whole set up is transferred to a satellite in orbit around the earth, the tension in equilibrium in each string is equal to:

0

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\frac{k Q}{l^{2}}

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\frac{k Q^{2}}{2 L^{2}}

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\frac{k Q^{2}}{4 L^{2}}

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Solution

The correct option is D $\frac{k Q^{2}}{4 L^{2}}$

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Two small balls,each having equal positive change Q are suspended by two insulating strings of equal length L from a hook fixed to a stand. If the whole set up is transferred to a satellite in orbit around the earth, the tension in equilibrium in each string is equal to:

The correct option is D kQ24L2

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The correct option is D $\frac{k Q^{2}}{4 L^{2}}$