Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- A capacitor of capacitance 2 is charged to a potential of 100 V and another capacitance 6 is charged to a potential of 300 V....
- A capacitor of capacity C has a charge Q and stored energy is U. If the charge is increased to 2Q the stored energy will be :
- Energy of a charged condenser is given by
- Energy of a charged condenser is directly proportional to square of
- The amount of energy stored in condenser becomes nine times the initial energy. The new potential of condenser is
- Two capacitors each of 1 capacitance are connected in parallel and are then charged by 200 V. The total energy of their charges is
- A condenser is charged through a potential difference of 200 V and possesses charge of 0.1 - coulomb When discharged it would...
- If a capacitor of 60 has charge of 30 mC on each plate, then the energy stored is :
- In parallel combination of capacitors, which of the following statement is NOT true
- If the number of condensers are connected in series, then
- If the number of condensers are connected in series, then their resultant capacitance is
- A capacitor C_1 is charged to a p.d. V. The charging battery is then removed and the capacitor is connected to an uncharged...
- The difference in the effective capacitance of two equal capacitors, when joined in parallel and series is 3 . The value of each...
- A capacitor of 20 charged to 500 V is connected in parallel with another capacitor of 10 charged to 200 V. The common potential...
- Condensers of capacity 4 , 5 and 6 are connected first in series. The effective capacitance is C_1. When they are connected in...
- A 8 capacitor is fully charged across a 12 V battery. It is then disconnected from the battery and connected to an uncharged...
- Six identical capacitors each of 1 are joined in parallel and the combination is put across a battery of emf. 2 V. Now the...
- A capacitor of 1 withstands a maximum, voltage of 6 kilovolt, while another capacitor of 2 withstands a maximum voltage of 4...
- If the number of condensers are connected one after another then this type of combination of condensers is
- If the number of condensers are connected in series then
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