Answer available
Class 12 · Physics · Electrostatics
Three capacitors of 3 μF, 6 μF and 9 μF are joined in parallel across 100 V. Find the total capacitance and the total charge stored.
3 marksMediumNumerical
ICSE question bank
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8 questions
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Class 12 · Physics · Electrostatics
What is an equipotential surface? State two of its properties.
3 marksMediumShort answer
- Answer available
Class 12 · Physics · Electrostatics
A capacitor of 10 μF is charged to 100 V. Find the energy stored in it.
3 marksMediumNumerical
- Answer available
Class 12 · Physics · Electrostatics
Two point charges of 1 μC each are placed 1 m apart in air. Calculate the force between them. Take 1/4πε0 = 9 × 109 N m2 C−2.
2 marksEasyNumerical
- Answer available
Class 12 · Physics · Electrostatics
Calculate the electric field at a point 0.3 m from a point charge of 2 × 10−6 C in air.
3 marksMediumNumerical
- Answer available
Class 12 · Physics · Electrostatics
Two capacitors of 2 μF each are joined in series and then in parallel. Find the equivalent capacitance in each case.
3 marksMediumNumerical
- Answer available
Class 12 · Physics · Electrostatics
What is a dielectric, and how does inserting one between the plates of a capacitor change its capacitance?
3 marksMediumShort answer
- Answer available
Class 12 · Physics · Electrostatics
State Gauss's theorem and use it to find the field of an infinite line of charge.
3 marksMediumShort answer