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Electric Potential and Potential Energy Due to Point Charges(21)
Four point charges each having charge $$Q$$ are located at the corners of a square having sides of length a. Find expressions for
(a) the total electric potential at the center of the square due to the four charges and
(b) the work required to bring a fifth charge $$q$$ from infinity to the center of the square.
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Q4
Shown above are four point charges each with a charge of +Q and situated at the four corners of a square with sides of length D.
What is the electric potential at the center of the square? (k is Coulomb constant.)
What is the electric potential at the center of the square? (k is Coulomb constant.)
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Q5
Four point charges Q,q,Q and q are placed at the corners of a square of side ′a′ as shown in the figure.
Find the
(a) resultant electric force on a charge Q, and
(b) potential energy of this system.
Find the
(a) resultant electric force on a charge Q, and
(b) potential energy of this system.
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