Question

A sphere 'a' attract the sphere 'b' , spheres 'b' repels the sphere 'c' and attracts the sphere 'd' . if sphere 'c' is negatively charged then predict the nature of charges on sphere 'a' and sphere 'd'.

Answer 1

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Answer 2

The charges on sphere 'a' and sphere 'd' are positive.

• We know that like charges repel each other while unlike charges attract each other.

• The charge of sphere 'c' is known to be negatively charged.
• As sphere 'b' is repelled by sphere 'c', sphere 'b' is also negatively charged.
• Sphere 'a' attracts sphere 'b'. So 'a' is positively charged.
• Similarly since 'c' attracts 'd', therefore 'd' is also positively charged.