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A 12 pF capacitor is connected to a 50 ...

A 12 pF capacitor is connected to a 50 V battery. How much electrostatic energy is stored in the capacitor ?

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`1.5 xx 10^(-8)` J
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A 4muF capacitor is charged by a 200V supply. It is then disconnected from the supply and is connected to another uncharged 2muF capacitor. How much electrostatic energy of the first capacitor is lost in the form of heat and electrostatic radiation?

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Choose the correct statements from the following for the given situation. The dielectric can be inserted into the plates of a capacitor when (i) The capacitor is connected to the battery (ii) the capacitor is disconnected from the battery (iii) the capacitor is discharging and plates are removed (iv) the capacitor is charging without the plates

NCERT TAMIL-ELECTROSTATIC POTENTIAL AND CAPACITANCE -EXERCISES
  1. In a parallel plate capacitor with air between the plates, each plate...

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  2. Explain what would happen if a 3 mm thick mica sheet of (dielectric ...

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  3. A 12 pF capacitor is connected to a 50 V battery. How much electrost...

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  4. A 600pF capacitor is charged a 200V supply. It is then disconnnected f...

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  5. A cube of side b has a charge q at each of its vertices. Determine the...

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  6. Two tiny spheres carrying charges 1.5 muC and 2.5 muC are located 30 c...

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  7. A spherical conducting shell of inner radius r(1) and outer radius r(2...

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  8. Show that the normal component of electrostatic field has a discontinu...

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  9. A long charged cylinder of linear charge density lambda is surrounde...

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  10. In a hydrogen atom, the electron and proton are bound at a distance of...

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  11. If one of the two electrons of a hydrogen molecule is removed, we get ...

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  12. Two charged conducting spheres of radii a and b are connected to eac...

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  13. Two charges -q and +q are located at points (0, 0, –a) and (0, 0, a), ...

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  14. Figure shows a charge array known as an electric quadrupole. For a poi...

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  15. An electrical technician requires a capacitance of 2 muF in a circuit ...

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  16. What is the area of the plates of a 2 F parallel plate capacitor, give...

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  17. Obtain the equivalent capacitance of the network in figure below. For ...

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  18. The plates of a paralllel plate capacitor have an area of 90 cm^(2) e...

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  19. A 4 muF capacitor is charged by a 200 V supply. It is then disconnect...

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  20. Show that the force on each plate of a parallel plate capacitor has a ...

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