Question

Identical point charges of +1.2 *µ*C are fixed to three
of the four corners of a square. What is the magnitude |q| of the
negative point charge that must be fixed to the fourth corner, so
that the charge at the diagonally opposite corner experiences a net
force of zero?

|q| = Number _______ Units _____

Answer #1

Identical +3.99 µC charges are fixed to adjacent corners of a
square. What charge (magnitude and algebraic sign) should be fixed
to one of the empty corners, so that the total electric potential
at the remaining empty corner is 0 V?
__________c
An equipotential surface that surrounds a point charge
q has a potential of 455 V and an area of 0.91
m2. Determine q.
________c

There are four charges, each with a magnitude of 2.18 µC. Two
are positive and two are negative. The charges are fixed to the
corners of a 0.21-m square, one to a corner, in such a way that the
net force on any charge is directed toward the center of the
square. Find the magnitude of the net electrostatic force
experienced by any charge.

Three equal positive point charges of magnitude Q = 9.00μ C are
located at three corners of a square of edge length d = 8.1 cm. A
negative charge -27.00μ C is placed on the fourth corner. At the
position of the negative charge, what is the magnitude of the
electric field due to the three positive charges?
What is the magnitude of the attractive force on the negative
charge?

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?

Three charges, each of magnitude 6 nC, are at separate corners
of a square of edge length 4 cm. The two charges at opposite
corners are positive, and the other charge is negative. Find the x
and y components of the force exerted by these charges on a fourth
charge q = +3 nC at the remaining (upper right) corner. (Assume the
+x axis is directed to the right and the +y axis is directed
upward.)
1.) ____ N î...

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.

Four +10 µC point charges are at the corners of a square of side
11 m. Find the potential at the center of the square (relative to
zero potential at infinity) for each of the following
conditions.
(a) All the charges are positive
kV
(b) Three of the charges are positive and one is negative
kV
(c) Two are positive and two are negative
kV

Three point charges q1=1 μC ,
q2=2 μC and q3=-3
μC are located at three corners of a square of side a=2
cm . Charge
q3 is
located diagonally opposed to the empty corner of the
square.
Calculate the electric potential created by the three charges
at the empty corner of the square.
Calculate the work done by the electric field of the three
charges when a fourth charge q4=-4 μC
moves from the center of the square to the...

Identical +0.96 micro-Coulomb charges are fixed to adjacent
corners
of a square. What charge (magnitude and algebraic sign) should be
fixed to one of
the empty corners, so that the total electric potential at the
remaining empty corner is 0 V?

Three identical point charges are located at the corners of an
equilateral triangle that is 0.3m on each side. If each charge is
+20μC, than the magnitude of the net force (in N)
on one of the charges due to the other two is..

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