1.13 CONTINUOUS CHARGE DISTRIBUTION
1. Surface charge density can have units of
1 point
coulomb /metre
coulomb /metre^2
coulomb /metre^3
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2. In the absence of other conductors, the surface charge density
1 point
Is proportional to the charge on the conductor and its surface area
Inversely proportional to the charge and directly proportional to the surface area
Directly proportional to the charge and inversely proportional to the surface area
Inversely proportional to the charge and the surface area
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3. A solid conducting sphere of radius 'a' has a net positive charge 2Q. A conducting spherical shell of inner radius 'b' and outer radius 'c' is concentric with the solid sphere and has a net charge – Q. The surface charge density on the inner and outer surfaces of the spherical shell will be
1 point
-2Q / [4π(b^2)], Q / [4π(c^2)]
-Q / [4π(b^2)], Q / [4π(c^2)]
0, Q / [4π(c^2)]
none of these
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