Answer :
The total electric potential will be 4.50 ×10⁴ V. The potential difference is the difference in electric potential between two charged substances.
What is the electrical potential difference?
The amount of work performed in an electrical field to move a unit charge from one location to another is defined as the electrical potential difference.
The distance between all charges and the center is the same. The 10,500 mC, 11.50 mC, 21.00 mC, and 20,500 mC charges neglect each other's potentials.
Hence, the total electric potential will be 4.50 ×10⁴ V.
To learn more about the electric potential difference, refer to the link;
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