Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- A parallel plate capacitor is charged to a certain potential difference. A slab of thickness 3 mm is inserted between the plates...
- The distance between the circular plates of a parallel plate condenser 40 mm in diameter in order to have same capacity as a...
- Two identical parallel plate capacitors are placed in series and connected to a constant voltage source of V_0 volt. If one of...
- The capacity of a parallel plate condenser filled with material of dielectric constant 8 is 16 . Its capacity, if the dielectric...
- Three capacitors, 3 , 6 and 6 are connected in series to a source of 120 V. The potential difference, in volts, across the 3...
- The combined capacity of the parallel combination of two capacitors is four times their combined capacity when connected in...
- A cylindrical capacitor has charge Q and length L. If both the charge and length of the capacitor are doubled by keeping other...
- A 2 capacitor is charged to 100 volt and then its plates are connected by a conducting wire, the heat produced is
- Energy stored in a condenser of capacity 10 , charged to 6 kV is used to lift a mass of 10 gm. The height to which the body can...
- A parallel plate capacitor is made by stacking n equally spaced plates connected alternately. If the capacitance between any two...
- A 40 capacitor in a defibrillator is charged to 3000 V. The energy stored in the capacitor is sent through the patient during a...
- Separation between the plates of a parallel plate capacitor is d and the area of each plate is A. When a slab of material of...
- The difference in the effective capacity of two similar capacitors when joined in series and then in parallel is 6 . The capacity...
- Kinetic energy of an electron accelerated in a potential difference of 100 V is
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF. The separation between its plates is ‘d’. The...
- A spring is compressed by 2 mm by a force of 8 N and a condenser is charged through a potential difference of 200 V possess a...
- A slab of material of dielectric constant K has the same area as the plates of a parallel plate capacitor but has a thickness (...
- Three capacitors, each of capacitance C and of breakdown voltage V, are joined in series. The capacitance and breakdown voltage...
- Two insulated spheres of radii R_1 and R_2 having charges Q_1 and Q_2 respectively are connected to each other. There is
- Two capacitors C_1 and C_2 are charged is 120 V and 200 V respectively. It is found that by connecting them together, the...
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