Problem 13: another point charge, of 70.8nC, is placed on the y-axis, at y There is a point in the x-y-plane where the total electric field, E, produced by these two point charges vanishes, i.e., a point where |E| point charge of –35.4nC is placed on the y-axis, at y = 36.00cm. 12.00cm, and = 0. Find the x- and y-coordinate of that point in the x-y-plane ( -7.88cm, (A) (x, y) (B) (x, y) (C) (x, y) = ( +21.94cm, (D) (x, y) = ( +127.94cm ) -7.88cm ) 0, -45.94cm ) 0, +21.94cm ) (E) (x, y) 0, -45.94cm ) |3D

In the figure, the point charges are located at the corners of an equilateral qa triangle 25 cm on a side. 9b (a) Find the magnitude of the electric field in N/C at the location of q,, given that q = 8.3 µC and q. =-5.7 µC. (b) Find the direction of the electric field at q, in degrees above the negative x-axis with origin at ga- (c) What is the magnitude of the force in N on qa: given that qa = 1.6 nC?

The value of the electric field at a distance of 27.9 m from a point charge is 75.9 N/C and is directed radially in toward the charge. What is the charge? The Coulomb constant is 8.98755 x 10° N . m²/C². Answer in units of C.

Two point charges, Q1= -25 uC and Q2= 45 uC, are separated by a distance of 12 cm. ( See Figure). The electric field at point P is zero. At what distance x is the charge Q1 from P?

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Two point charges, 3.080E-6 C and -1.183E-6 C, are placed 3.26 cm apart on the x axis. How far (in cm) from the positive charge is the place on the x axis where the electric field is zero?

Problem 3: In a rectangular coordinate system -9 = a positive point charge q 6.00 × 10-⁹ C is placed at the point x = +0.150 m, y = 0 m, and an identical point charge is placed at x -0.150 m, y 0 m. Find the x- and the = = and y-components, the magnitude, and direction of the electric field at the following points: a) the origin. b) x= = 0.150 m, y = -0.400 m c) x = 0, y = 0.200 m

A charge +q is located at the origin. A charge - 2q is at 3.15 m on the x axis. (a) For what finite value of x is the electric field zero? 7 Xm To the right of both charges, which charge is always closest? Does it have the smaller or larger charge? At what locations are there two field contributions that can cancel to produce zero net field? (b) For what finite value(s) of x is the electric potential zero? x m Because the charge of -2q is closer than the charge of +q for this value of x, the 2q dominates and the total field cannot be zero. m smaller value larger value

. Two point charges of 5.0 µC are located on the y axis. One is at y = 10 cm, and the other is at y = -10 cm. Determine the total electric field at a point, (50 cm, 0).

Two point charges lie along the y-axis. A charge of q1 = -8 µC is at y = 6.0 m, and a charge of q2 = -6 µC is at y = -4.0 m. Locate the point (other than infinity) at which the total electric field is zero. Need Help? Read It