kingrem6216 kingrem6216

18-07-2020
Physics

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metal sphere A has 4 units of negative charge and metal sphere B has 2 units of positive charge. The two spheres are brought into contact. What is the final charge state of each sphere

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ibiscollingwood ibiscollingwood

20-01-2022

In final state, every metal sphere carries 1 unit of negative charge.

When the spheres brought into contact, the charges try to get an equilibrium distribution on both spheres.

It means that same amount of positive charges neutralise the same amount of negative charges.

Given that, metal sphere A has 4 units of negative charge and metal sphere B has 2 units of positive charge.

So that, 2 units of negative charge will neutralize the 2 unit of positive charge of the second sphere. The others 2 units of negative charge of the first sphere will distribute equally on both spheres.

Hence, In final state, every metal sphere carries 1 unit of negative charge.

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