Question

Part A) Two particles with positive charges *q*1 and
*q*2 are separated by a distance s.

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero?

**Express your answer in terms of some or all of the
variables** *s***,**
*q*1**,**
*q*2**and**
*k***=14πϵ0****. If
your answer is difficult to enter, consider simplifying it, as it
can be made relatively simple with some work.**

**Part B)** An electric dipole is formed from two
charges, ±*q*, spaced 1.50 cm apart. The dipole is at the
origin, oriented along the *y*-axis. The electric field
strength at the point (*x*,*y*)=(0cm,10cm) is 370
N/C.

What is the charge *q*? Give your answer in nC

Part C) What is the electric field strength at the point
(*x*,*y*)=(10cm,0cm)?

Express your answer with the appropriate units.

Answer #1

An electric dipole is formed from two charges, ±q, spaced 0.600
cm apart. The dipole is at the origin, oriented along the y-axis.
The electric field strength at the point (x,y)=(0cm,10cm) is 390
N/C
What is the electric field strength at the point
(x,y)=(10cm,0cm)?

C) An electric dipole is formed from two
charges, ±q, spaced 1.30 cm apart. The dipole is at the origin,
oriented along the y-axis. The electric field strength at
the point (x,y)=(0cm,10cm) is 330 N/C .
- What is the charge q? Give your answer in nC.
- What is the electric field strength at the point
(x,y)=(10cm,0cm)? Express your answer with the appropriate
units.
D) A small glass bead charged to 4.5 nC is in the plane that
bisects...

Point charges q1=− 4.90 nC and q2=+ 4.90 nC are separated by
distance 3.90 mm , forming an electric dipole.
Part A
Find the magnitude of the electric dipole moment.
Express your answer in coulomb meters to three significant
figures.
Part B
What is the direction of the electric dipole moment?
Part C
The charges are in a uniform electric field whose direction
makes an angle 36.7 ∘ with the line connecting the charges. What is
the magnitude of this...

Two particles having charges q1 = 0.400 nC and
q2 = 6.00 nC are separated by a distance of 1.60 m .
At what point along the line connecting the two charges is the
total electric field due to the two charges equal to zero?

An electric dipole is formed from ±± 2.0 nCnC point charges
spaced 1.0 mmmm apart. The dipole is centered at the origin,
oriented along the yy-axis.
1) What is the electric field strength at point (x,y)(x,y) = ((
25 mmmm ,,0cm)cm)?
Express your answer using two significant figures.
2) What is the electric field strength at point (x,y)(x,y) =
((0cm,cm, 25 mmmm ))?
Express your answer using two significant figures.

Two particles having charges of 0.430 nC and 3.87 nC are
separated by a distance of 1.20 mm.
1)At what point along the line connecting the two charges is the
net electric field due to the two charges equal to zero? Express
your answer in meters.
2)Where would the net electric field be zero if one of the
charges were negative? Enter your answer as a distance in meters
from the charge initially equal to 0.430 nC.
3)Is this point...

Two particles having charges of 0.580 nC and 5.22 nC are
separated by a distance of 1.80 m . At what point along the line
connecting the two charges is the net electric field due to the two
charges equal to zero?Where would the net electric field be zero if
one of the charges were negative?

Two point charges q1=+2.55nC and q2=−6.80nC are 0.100 mm apart.
Point AA is midway between them; point BB is 0.080 mm from q1 and
0.060 mm from q2. (See (Figure 1) .Take the electric potential to
be zero at infinity.
part a)
Find the potential at point AA.
Express your answer in volts.
part b)
Find the potential at point B.
Express your answer in volts.
part c)
Find the work done by the electric field on a charge of...

Coulomb's law for the magnitude of the force F between
two particles with charges Q
and Q′ separated by a distance d
is
|F|=K|QQ′|d2,
where K=14πϵ0, and
ϵ0=8.854×10−12C2/(N⋅m2) is the permittivity of free
space.
Consider two point charges located on the x axis: one
charge, q1 = -14.5 nC , is located at x1 = -1.655
m ; the second charge, q2 = 33.5 nC , is at the origin
(x=0.0000).
What is the net force exerted by these two charges on...

Two point charges, Q1 = 3.6 μC and Q2 =
-1.3 μC , are placed on the x-axis. Suppose that Q2 is
placed at the origin, and Q1 is placed at the coordinate
x1 = −6.0 cm (Figure
1).
Part A) At what point(s) along the xx axis is the electric field
zero? Determine the x-coordinate(s) of the point(s). Express your
answer using two significant figures. If there is more than one
answer, enter your answers in ascending order separated...

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