GUJCET · Physics

Electrostatic Potential and Capacitance

Potential due to point charge and dipole, equipotential surfaces, capacitors in series and parallel, dielectrics, energy stored in a capacitor.

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  • Q1 · Electrostatic Potential and Capacitance · MEDIUM

    Two capacitors of capacitances 3 μF and 6 μF are connected in series across a 120 V supply. What is the charge on each capacitor?

  • Q2 · Electrostatic Potential and Capacitance · EASY

    The work done in moving a charge of 2 C from a point at potential 100 V to a point at potential 120 V is:

  • Q3 · Electrostatic Potential and Capacitance · MEDIUM

    The energy stored in a capacitor of capacitance 100 μF charged to a potential difference of 50 V is:

  • Q4 · Electrostatic Potential and Capacitance · HARD

    A parallel plate capacitor with air as dielectric has a capacitance of 8 pF. What will be the capacitance if the distance between the plates is reduced to half and the space between them is filled with a substance of dielectric constant 6?

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