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At a point P located some distance away from two charges, the electric potential created by the first charge is 5V. The electric potential created by the second charge at the same point P is 2V. What is the total electric potential at point P?a. 0Vb. 2Vc. 3Vd. 5Ve. 7V

User RJ Alten
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Answer:

e. 7V

Step-by-step explanation:

If the potential created at the point P by the first charge is 5 V, and the electric potential created by the second charge is 2 V, as the potential is proportional to the electric field created by the charges, which is linear (due to it is directly proportional to the value of the charges), we can apply the superposition principle.

In this way, we can calculate the total potential, at a point P, as the algebraic sum of the potentials created by all the charges, as if the other ones were not present.

In this case, we have:

V = V₁ + V₂ = 5 V + 2 V = 7 V

User Safi
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