Questions
A positively charged ball hangs from a silk thread. We put a positive test charge at a point and measure
, then it can be predicted that the electric field strength E
detailed solution
Correct option is A
Because of the presence of positive test charge q0 in front of positively charged ball, charge on the ball will be redistributed, less charge on the front half surface and more charge on the back half surface. As a result of this net force F between ball and point charge will decrease i.e. actual electric field will be greater thanTalk to our academic expert!
Similar Questions
A charged oil drop is suspended in a uniform field of 3x10 4 v/m so that it neither falls nor rises .The charge on the drop will be (take mass of the charge =9.9 x10-15 kg and g = 10m /s2
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