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qUESTIONS

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 kV, its kinetic energy will be

Four electric charges +q, +q, -q and -q are placed at the corners of a square of side 2L (see figure). The electric potential at point A, midway between the two charges +q

Two point charges 100μC and 5μC are placed at points A and B respectively with AB=40 cm.The workdone by external force in displacing the charge 5μC from B to C is.. Here BC=30 cm, ∠ABC=π/2 and 1/4πε0=9 x 10^9 Nm^2/C^2

What is not true for equipotential surface for uniform electric field

Equipotential surfaces associated with an electric field which is increasing in magnitude along the x-direction are

Electric charges of +10µC, +5µC, -3µC and 8µC are placed at the corners of a square of side √2m. The potential at the centre of the square is

The electric potential at a point on the equatorial plane of an electric dipole depends on the distance r as

An electric dipole when placed in a uniform electric field E will have minimum potential energy, if the positive direction of dipole moment makes the following angle with E

An electric dipole of moment p placed in a uniform electric field E has minimum potential energy, when the angle between p and E is

The inward and outward electric flux for a closed surface in units of N-m²/C are respectively 8 × 10^3 and 4 × 10^3. Then the total charge inside the surface is

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