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Capacitor Circuits and Energy for GSEB: 11 solved questions

Real GSEB paper questions on capacitor circuits and energy, part of electric potential and capacitance. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2015 to 2023. No sign-in needed to read them.

What this topic asks

• Redistribution of charge — 3 questions
• Energy stored and energy density — 3 questions
• Series and parallel combinations — 3 questions
• Capacitor networks — 2 questions

All 11 questions with solutions

• Six identical square metallic plates are arranged as in the figure. The length of each plate is l (facing pla… GSEB Board July 2015
• 6 identical capacitors are joined in parallel and are charged with a battery of 10 V. Now the battery is remo… GSEB Board July 2016
• The area of every plate shown in the figure is A and the separation between successive plates is d. What is t… GSEB Board July 2017
• Energy of a charged capacitor is U. Now it is removed from the battery and then connected to another identica… GSEB Board July 2017
• The capacitance of a variable capacitor joined with a battery of 100 V is changed from 2 μF to 10 μF. What is… GSEB Board July 2017
• In an R–C circuit, when the charge on the plates of the capacitor is increasing, the energy obtained from the… GSEB Board July 2017
• Three capacitors of 2 pF, 3 pF and 4 pF are connected in parallel. What is the total capacitance of the netwo… GSEB Board March 2020
• Which of the following physical quantities has a unit the same as that of electric energy density? GSEB Board August 2020
• Two capacitors, when connected in series, have an equivalent capacitance of 3 μF, and when they are connected… GSEB Board March 2022
• When n capacitors, each of equal value C, are connected in series, the equivalent capacitance of the combinat… GSEB Board July 2022
• The energy of a charged capacitor is U. Now it is removed from the battery and then connected to two other id… GSEB Board March 2023