Question

Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a in symbolic form. (Let B = 4.0q and C = 5.5q. Assume that the +x-axis is to the right and the +y-axis is up along the page.)

Answer #1

Four point charges are at the corners of a square of side
a as shown in the figure below. Determine the magnitude
and direction of the resultant electric force on q, with
ke, q, and a in symbolic
form. (Let B = 4.0q and C =
2.0q. Assume that the +x-axis is to the right and
the +y-axis is up along the page.)

Four point charges each having charge Q are located at
the corners of a square having sides of length a.
(a) Find a symbolic expression for the total electric potential
at the center of the square due to the four charges (Use any
variable or symbol stated above along with the following as
necessary: ke.)
Vtotal =
(b) Find a symbolic expression for the work required to bring a
fifth charge p from infinity to the center of the...

Eight point charges, each of magnitude q, are located on the
corners of a cube of edge s, as shown in Fig. 3 (i) Determine the
x, y, and z components of the resultant force exerted by the other
charges on the charge located at point A. (ii) What are the
magnitude and direction of this resultant force? (iii) Show that
the magnitude of the electric field at the center of any face of
the cube has a value of...

Three charges are at the corners of an equilateral triangle, as
shown in the figure below. Calculate the electric field at a point
midway between the two charges on the x-axis. (Let Let q1 = 7.00
μC, q2 = 4.50 μC, and q3 = −3.00 μC.
magnitude =? (N/C)
direction = ? (below the x-axis)

Four point-like charges are placed as shown in the figure, three
of them are at the corners and one at the center of a square, 32.0
cm on each side. Find the magnitude of the net electrostatic force
exerted on the point charge q 2 2. Let q 1 1 = q 3 3 = +24.0 µC, q
2 2 = −26.0 µC, and q 4 4 = −34.0 µC.

At each of the four corners of a square with side length a,
there is a charge +q. How many other charges are exerting electric
forces on the charge at the lower-right corner? The square is
placed so that its sides are either parallel or perpendicular to
the x-axis.

Four point charges are located on the corners of the square with
the side of 40cm. Three charges are 1 μC and one is -1 μ C. Find
the electric potential at the center of the square (Assume that the
potential at infinity is zero)

Four equal negative point charges are located at the corners
of a square, their positions in the x-y plane being (1, 1), (-1,
1), (-1, -1), (1, -1) The direction of the electric field on the
x-axis at (1, 0) is:

Four point charges are in the corners of side length a, each of
which has charge q. Determine the force in the center of the square
in terms of q, a, and k.

Four point charges are located at the corners of a square, 2.0 m
by 2.0 m. On each of two diagonally opposite corners are 2.0 μC
charges. On each of the other two corners are -2.0 μC charges. What
is the direction and magnitude of the force on each charge?

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