Two metal rods A and B are initially lying end to end on a wooden table and are
ID: 1487065 • Letter: T
Question
Two metal rods A and B are initially lying end to end on a wooden table and are touching each other. A sphere carrying surplus positive charge is brought close to the middle of rod A. While the sphere is still in place, the rods are pulled apart by someone wearing gloves made of a fabric that is an electrical insulator. Then the sphere is moved far away. (a) Do the two rods attract each other, do they repel each other, or is there no electric force between them? (b) Describe the surplus charge on each rod as positive, zero, or negative
Explanation / Answer
Two metal rods A and B are initially lying end to end on a wooden table and are touching each other .
(a) Assuming that both the rods having zero charge initially then both the the rods will repel at the final situation since both the rods get same charges on them .(positive) . One rod will be having larger amount of charges and other will be having less charge.
(b) the surplus charge on each rod will be positive
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