Answer:
(a) No, because the
distribution of charge on the conducting spheres remain on their surfaces only
so it cannot be uniform. Coulomb's law is valid for point charges only.
(b)
Gauss' law and Coulomb's law are interdependent laws. If dependence of
Coulomb's law involves dependence
then Gauss' law in the existing state will not be true.
(c)
It is true only if field line is a straight line.
(d)
Whatever may be the shape of the closed orbit, it is zero.
(e)
Potential is continuous.
(f)
It means that a single conductor is a capacitor whose other plate can be
considered to be at infinity.
(g)
A water molecule has permanent dipole moment so its dielectric constant is
high.
Mica
does not have polar molecules.
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