jee_main_2026_21_jan_morning - Electrostatics Topics

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QUESTION #0 Capacitance with Dielectric
A parallel plate capacitor has capacitance C, when there is vacuum within the parallel plates. A sheet having thickness ((1)/(3))rd of the separation between the plates and relative permittivity K is introduced between the plates. The new capacitance of the system is :
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QUESTION #45 Electric Potential Energy
A point charge of 10⁻⁸ C is placed at origin. The work done in moving a point charge 2 μC from point A(4, 4, 2) m to B(2, 2, 1) m is ____ J. ( 14πε₀=9×10⁹ in SI units)
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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