A positively charged ball hangs from a silk thread. We put a positive test charge q0 at a point and measure F/q0, then it can be predicted that the electric field strength E 

(1) > F/q0

(2) = F/q0

(3) < F/q0

(4) Cannot be estimated

Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
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