Quiz on Electromagnetic Theory
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1. If the vectors A and B are conservative then
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2. Inside a hollow conducting sphere
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3. In a uniform electric field, field lines and equipotential
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4. Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is
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5. The depth of penetrations of wave in a lossy dielectric increases with increasing
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6. The energy stored in the magnetic field of a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current of 10A is
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7. The intrinsic impedance of copper at high frequencies is
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8. Consider the following statements regarding field boundary conditions: 1. The tangential component of electric field is continuous across the boundary between two dielectrics. 2. The tangential component of electric field at a dielectric – conductor boundary is non – zero 3. The discontinuity in the normal component of the flux density at a dielectric conductor boundary is equal to the surface charge density on the conductor. 4. The normal component of the flux density is continuous across the charge free boundary between two dielectrics. Of these statements
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9. When the plate area of a parallel plate capacitor is increased keeping the capacitor voltage constant, the force between the plates
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10. The Poynting Vector Signifies
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