SATHEE: electrostatic-potential-and-capacitance Question 34

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Question: Q. 4. A capacitor of unknown capacitance is connected across a battery of $V$ volt. A charge of $120 μ C$ is stored in it. When the potential across the capacitor is reduced by $40 V$ , the charge stored in the capacitor becomes $40 μ C$ . Calculate $V$ and the unknown capacitance. What would have been charge in the capacitor if the voltage is increased by $40 V$ ?

U [Delhi (Compt) III 2017]

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Solution:

Ans. Calculation of $V$ and unknown capacitance 2 Calculation of charge when voltage is increased by $40 V$

Try yourself, Similar to Q.2, Short Answer Type II

[CBSE Marking Scheme 2017]

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