Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- A condenser of capacity 2 is charged to a potential of 100 V. It is now connected to an uncharged condenser of capacity 3 . The...
- A capacitor of 30 charged up to 500 volt is connected in parallel with another capacitor of 15 which is charged up to 300 V. The...
- When two capacitors are connected in series, the equivalent capacitance is 15 4 , . When they are connected in parallel, the...
- Two capacitors of capacitance 2 and 3 are joined in series. Outer plate of first capacitor is at 1000 volt and outer plate of...
- Condensers of capacity 4 , 5 and 6 are connected first in series. The effective capacitance is C_1. When they are connected in...
- Six identical capacitors, each of 1 are joined in parallel and the combination is put across a battery of e. m. f. 2 V. Now, the...
- When three identical capacitors are connected in series, their equivalent capacitance is 2 . Now they are connected in parallel...
- If the charge on capacitor is increased by 2 coulomb, the energy stored in it increases by 21%. The original charge on the...
- The plates of parallel plate capacitor are charged upto 100 V. A 2 mm thick plate is inserted between the plates. Then to...
- A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielectric slab...
- Three capacitors of capacities C_1, C_2, C_3 are connected in series. Their total capacity will be
- Three capacitors of capacitance 3 , 10 and 15 are connected in series to a voltage source of 100 V. The charge on 15 is
- The capacitance of a parallel plate capacitor can be increased by
- To reduce the capacity of a parallel plate capacitor, separation between the plates is
- A parallel plate condenser is made by stacking n equally spaced plates connected together alternatively. If the capacitance...
- An electric field of magnitude 400 N ,C^ -1 can be produced by applying a potential difference of 20 V to a pair of parallel...
- Each plate of a parallel plate condenser has surface area of 5 cm^2 . The distance between the plates is 2 mm. The dielectric...
- Capacitance of a capacitor made by a thin metal foil is 2 . If the foil is folded with paper of thickness 0.15 mm, dielectric...
- A parallel plate capacitor with air between the plates has a capacitance of 8 pF. The separation between the plates is now...
- A parallel plate capacitor is charged to a potential difference of 50 V. It is discharged through a resistance. After 1 second,...
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