Charge produced at end of an insulator rod using electric induction

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When a charged body is brought near one end of an insulator rod, it induces an opposite charge at the far end of the rod due to electric induction. This phenomenon occurs because opposite charges attract each other, leading to a separation of charges within the rod. The discussion highlights a common misunderstanding about charge distribution in insulators. The initial statement was corrected to clarify that the charge is indeed produced at the opposite end of the rod. Understanding this principle is crucial for grasping the fundamentals of electrostatics.
AakashPandita
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When a charged body is brought near one end of a rod, opposite charge is produced at the opposite end of the rod. This is written in my book.

Why is charge produced at only the opposite end?
 
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No, there is something wrong with your statement/understanding. Opposite charges attract each other.
 
Thank You. My mistake . I edited my post.
 
Thread 'Correct statement about size of wire to produce larger extension'

Thread 'Correct statement about size of wire to produce larger extension'

The answer is (B) but I don't really understand why. Based on formula of Young Modulus: $$x=\frac{FL}{AE}$$ The second wire made of the same material so it means they have same Young Modulus. Larger extension means larger value of ##x## so to get larger value of ##x## we can increase ##F## and ##L## and decrease ##A## I am not sure whether there is change in ##F## for first and second wire so I will just assume ##F## does not change. It leaves (B) and (C) as possible options so why is (C)...
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