Two identical metal spheres A and B are connected by a plastic rod. Both are ini

Question

Two identical metal spheres A and B are connected by a plastic rod. Both are initially neutral. 6.0×1012 electrons are added to sphere A, then the connecting rod is removed.

Part A

Afterward, what is the charge of A?

Express your answer using two significant figures.

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Part B

Afterward, what is the charge of B?

Express your answer using two significant figures.

Two identical metal spheres A and B are connected by a plastic rod. Both are initially neutral. 6.0×1012 electrons are added to sphere A, then the connecting rod is removed.

Part A

Afterward, what is the charge of A?

Express your answer using two significant figures.

Q =   nC  

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Part B

Afterward, what is the charge of B?

Express your answer using two significant figures.

Q =   nC  

Explanation / Answer

Half of the electrons will be transferred to B (3 x 10^12).

(a) One electron has a charge of 1.6x10^-19C so multiply this to the number of electrons in sphere A So sphere A has charge = 4.8*10^-7 C .

(b) One electron has a charge of 1.6x10^-19C so multiply this to the number of electrons in sphere B So sphere B has charge = 4.8*10^-7 C . .

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