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The circuit was in the shown state for a long time. Now, if the switch S is closed, then, the net charge that flows through the switch S will be

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Important Questions on Electrostatic Potential and Capacitance

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Two capacitors of 2 μF and 3 μF are charged to 150 volts and 120 volts, respectively. The plates of a capacitor are connected as shown in the figure. A discharged capacitor of capacity 1.5 μF is connected to the free ends of the wire. Then, which statement is incorrect after the system comes in steady-state?

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Four capacitors and a battery are connected as shown in the figure below. The potential drop across the 7 μF capacitor is 6 V. Choose the incorrect option.

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In the figure shown below, a capacitor of capacitance 2 μF is connected to a cell of emf 20 V. The plates of the capacitor are drawn apart slowly to double the distance between them. The work done by the external agent on the plates is

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Two capacitors of equal capacitance C1=C2 are shown in the figure. Initially, while the switch S is open, one of the capacitors is uncharged and the other carries charge Q0. The energy stored in the charged capacitor is U0. Sometimes after the switch is closed, the capacitors C1 and C2 carry charges Q1 and Q2, respectively, the voltage across the capacitors are V1 and V2, and the energies stored in the capacitors are U1 and U2. Which of the following statements is incorrect?

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In the circuit shown below, each capacitor has a capacitance C. The emf of the cell is E. If the switch S is closed, then

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In the circuit shown in the figure, initially S is open. When the switch is closed, the charge passing through the switch is

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