Two conductors A and B of the same material have their lengths in the ratio 1:2 and radii in the ratio 2:3. If they are connected in parallel across a battery, the ratio VA/VB the drift velocities of electrons in them will be –
(A) 2
(B) 1/2
(C) 3/2
(D) 8/9
Correct Answer : Option (D) 8/9
More Questions : A charge Q is fixed in position. Another charge q is brought near charge Q and released from test. Which of the following graphs is the correct representation of the acceleration of the charge q as a function of its distance r from charge Q?
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