Three Identical Point Charges (+2

question 10

Multiple Choice

Three identical point charges (+2.0 nC) are placed at the corners of an equilateral triangle with sides of 2.0-m length. If the electric potential is taken to be zero at infinity, what is the potential at the midpoint of any one of the sides of the triangle?

• A) 16 V
• B) 10 V
• C) 70 V
• D) 46 V
• E) 44 V

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Definitions:

Interest Rate

The percentage of principal charged by the lender for the use of its money or the rate earned on savings or investments.

Perpetual Payments

Payments that continue indefinitely, often associated with perpetuities in finance.

Annual Perpetuity

A type of financial annuity that makes consistent annual payments to the holder indefinitely.

Interest Rate

The percentage paid by a borrower to a lender for the privilege of borrowing money, often annually, or the yield earned on investment funds.