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MCQs-PYQs-12th-jee

The potential energy of a charged parallel plate capacitor is Uo. if a slab of dielectric constant k is inserted between the plates, then the new potential energy will be

MCQs-PYQs-12th-jee

An air-filled parallel plate capacitor has capacity C. If distance between plates is doubled and it is immersed in a liquid, then capacity becomes twice. Dielectric constant of the liquid is

MCQs-PYQs-12th-jee

A 500 µF capacitor is charged at a steady rate of 100 µC/second. The potential difference across the capacitor will be 10 V after an interval of

MCQs-PYQs-12th-jee

The potential to which a conductor is raised depends on

MCQs-PYQs-12th-jee

The electric intensity due to an infinite cylinder of radius R and having charge q per unit length at a distance r(r greater than R) from its axis is

MCQs-PYQs-12th-jee

Which of the following will represent Coulomb’s Law?

MCQs-PYQs-12th-jee

A charge q is placed at the centre of the open end of cylindrical vessel. The flux of the electric field through the surface of the vessel is

MCQs-PYQs-12th-jee

In a region, the intensity of an electric field is given by E=2i+3j+k in NC⁻¹. The electric flux through a surface A S = 10i m² in the region is

MCQs-PYQs-12th-jee

The inward and outward electric flux for a closed surface in units of N-m²/C are respectively 8×10³ and 4×10³.Then the total charge inside the surface is

MCQs-PYQs-12th-jee

The S.I. unit of electric flux is

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