Blocks A and B are identical metal blocks. Initially block A is neutral, and block B has a net charge of 7.4 nC. Using insulating handles, the blocks are moved so they touch each other. After touching for a few seconds, the blocks are separated (again using insulating handles).(a) What is the final charge of block A?

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Asked Sep 8, 2019
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Blocks A and B are identical metal blocks. Initially block A is neutral, and block B has a net charge of 7.4 nC. Using insulating handles, the blocks are moved so they touch each other. After touching for a few seconds, the blocks are separated (again using insulating handles).

(a) What is the final charge of block A?

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Expert Answer

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Step 1

Given:

Initial Charge on block A = 0(Neutral)

Initial Charge on block B = 7.4 nC

Step 2

Given blocks A and B are (metal) conductors. when a charge is given to a conductor, it redistributes to its surface. So, When block A and B will come in contact, the net charge will redistribute on the whole surface area.

Initial A is neutral and block B has a net charge of 7.4 nC. When both t...

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Electric Charges and Fields

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