Question

Two identical metal sphere A and B have charges of+12nC and -6nC respectively. a neutral identical metal sphere C is touched to A then to B and finally removed.
a) what will be the charge on sphere C finally.
b) have electron be added or removed from sphere C. C) how many electron are removed or given to sphere C​

Answer 1

Answer:

a) what will be the charge on sphere C finally

Explanation:

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Answer 2

Explanation:

Given,

Two identical metal spheres A and B have charges +12 nC and -6 nC respectively. a neutral identical metal sphere C is touched to A and then to B and finally removed.

To find

charge on sphere C

have electron be added or removed from sphere.

number of electrons is added or given to sphere C.

first sphere C is touched to sphere A.

so, charge on sphere C = (+12 + 0)/2 = +6 nC.

and then sphere C is touched to sphere B.

so, charge on sphere C = (+6 - 6)/2 = 0 nC

therefore, charge on sphere C is 0 nC.

sphere C remains neutral. therefore electrons are neither added nor removed from sphere C.

it is clear that number of electrons added or removed from sphere C is 0.