Recent questions in Chapter8:Electrostatics

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A parallel plate capacitor is charged and then isolated. The effect of increasing the plate separation on charge

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Energy stored in a capacitor and dissipated during charging a capacitor bear a ratio.

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A parallel plate capacitor has circular plates of radius 8 cm and plate separation 1mm.

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If the difference between the radii of the two spheres of a spherical capacitor is increased

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A metal plate is introduced between the plates of a charged parallel plate capacitor.

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The safest way to protect yourself from lightening is to be inside a car. Justify.

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A capacitor has some dielectric between its plates and the capacitor is connected to a DC source.

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Two charges of magnitudes -4Q and +2Q are located at points (2a, 0) and (5a, 0) respectively.

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A 6 µF capacitor is charged by a 300 V supply. It is then disconnected from the supply and is connected

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One hundred twenty five small liquid drops, each carrying a charge of 0.5 µC and each of diameter 0.1 m form a bigger

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The dipole moment of a water molecule is 6.3 × 10-30 Cm. A sample of water contains 1021 molecules

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In a parallel plate capacitor with air between the plates, each plate has an area of 6 × 10-3 m2 and the separation

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What is gravitational Potential ?

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Due to a single charge at a distance r, Force (F ) α 1/r2, Electric field (E ) α 1/r2 but Potential (V) α 1/ r.

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Is electrostatic potential necessarily zero at a point where electric field strength is zero? Justify.

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If we apply a large enough electric field, we can ionize the atoms and create a condition

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Series combination is used when a high voltage is to be divided on several capacitors. Capacitor with minimum capacitanc

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