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Class 11 and 12 Physics CBSE NEET JEE

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Showing posts with label NEET 2009. Show all posts
Showing posts with label NEET 2009. Show all posts

Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination will be ?

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Three concentric spherical shells have radii a, b and c (a < b < c) and have surface charge densities σ, −σ and σ respectively. If VA, VB and VC denotes the potentials of the three shells, then for c = a + b, we have ?

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The electric potential at a point (x, y, z) is given by V = −(x^2)y − x(z^3) + 4. The electric field E at that point is ?

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The mean free path of electrons in a metal is 4×10−8 m. The electric field which can give on an average 2eV energy to an electron in the metal will be in units of V/m ?

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