Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- A 700 pF capacitor is charged by a 50 V battery. The electrostatic energy stored by it is
- A conductor of capacity 10 is at a potential of 10 V. If the potential increases by 1 V, the increase in energy is
- On increasing the plate separation of a charged condenser, the energy
- A capacitor of 4 charged to 50 volt is connected to another capacitor of 2 , charged to 100 V. The total energy of the...
- If a 4 capacitor is charged to 1 kV, then energy stored in conductor is
- If the potential difference across a capacitor is increased from 10 V to 30 V, then the energy stored with the capacitor
- A charge of 40 is given to a capacitor having capacitance C = 10 . The stored energy in ergs is
- The charge on 48 capacitor is increased from 0.1 C to 0.5 C. The energy stored in the capacitor increases by
- A 5 capacitor is connected in series with a 10 capacitor. When a 300 Volt potential difference is applied across this...
- A capacitor of capacitance 6 is charged upto 100 volt. The energy stored in the capacitor is
- Electric field of an isolated charged metallic sphere at any interior point is
- The mechanical force acting on a unit area of charged conductor is
- The direction of mechanical force per unit area for +vely or −vely charged conductor is normally outwards because
- The potentials of two plates of a capacitor are +10 V and −10 V. The charge on one of the plates is 40 C. The capacitance of the...
- In Van de Graff generator, potential difference is of the order of
- Two metal spheres of capacitance C_1 and C_2 carry some charges. They are put in contact and then separated. The final charges...
- A 100 microfarad capacitor is to have an energy content of 50 J in order to operate a flash lamp. The voltage required to charge...
- Van de Graff generator is used for the production of
- Van de Graff generator is
- The electric field near a conducting surface having a uniform surface charge density is given by
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