State and explain the boundary condition for the displacement vector D at the
boundary separating two dielectric media.
By definition,displacement vector:
Where:
Boundary conditions for a
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______ ________ _____ _______ ______ ___ _______ _____ ________ ____ ____ _____.
__________ ____ __________ __________ ____ __________ ___ ___ ________ __________ ________ _________.
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The magnitude of work done in taking a unit positive charge in electric field E from point A to point B is given by:
Show that the value of the line integral of the electric field (right hand side of the above equation) does not depend on the path taken to move the unit positive charge
from point A to B.
State and explain the boundary condition for the displacement vector D at the
boundary separating two dielectric media.
Calculate the ratio of the electrostatic force and the gravitational force exerted by protons on each other.
If the space between the plates of a capacitor is filled will a dielectric material, does
it affect the value of capacitance? Justify your answer.
Show that, if there are any unbalanced, static charges on an isolated conductor, they
must reside on its surface.
What is the difference between ohmic conductor and non-ohmic conductor? Give
one example each and draw their IV characteristic curves.
Two concentric thin metallic spheres having radii 30 cm and 20 cm carry 10 µC and
5 µC, charges respectively. Calculate the electric potential at a distance of 25 cm
from the centre of the spheres.