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Two point charges are on the y-axis. A 4.0 µC charge is located at y =...

Two point charges are on the y-axis. A 4.0 µC charge is located at y = 1.45 cm, and a -2.06 µC charge is located at y = -1.40 cm.

(a) Find the total electric potential at the origin.


(b) Find the total electric potential at the point having coordinates (1.50 cm, 0).

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Answer #1

a) The total electric potential at the origin is (1.45×10-2) , (1.40×10-2 (3x10%)(40x10-6) t (3x109)(-206x10-6)=1.158x1of v 1.45x10-2 b) Thee total electric potential at the point having coordinates (150 cm, 0) is kqi (1.45×10-2)2+(1.5×10-2)2 (1.40×10-2)24(1.5×10-2)2 (9x109)(4 0x10 (9x1)( 9×109)(-2.06 × 10 -10- - 8.22x 105 V (1.45×10-2)+(1.5×10-2) ( 1.40×10-2) +(1.5×10-2)

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