1.

An electric field converges at the origin whose magnitude is given by the expression E = 100 r N/C, where r is the distance measured from the origin.

Answer»

TOTAL CHARGE contained in any spherical volume with its centre at origin is negative.
total charge contained at any spherical volume, irrespective of the location of its centre,is negative.
total charge contaied in a spherical volume of radius 3 cm with its centre at origin has magniture `3 xx 10^(-13) C`.
total charge contained in a spherical volume of radius 3 cm with its centre at origin has MAGNITUDE `3 xx 10^(-9)` Coul.

Answer :A::B::C


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