A positive charge q is fixed at the point x = 0, y = 0, and a
negative charge -2q is fixed at the point x = a, y = 0.
a) Derive an expression for the potential V at points
on the x -axis as a function of the coordinate x
. Take V to be zero at an infinite distance from the
charges. (Express your answer in terms of the given quantities and
appropriate constants).
V(x) =
b)...
Point charge 1.5?C is located at x = 0,
y = 0.30 m , point charge -1.5?C is located at
x = 0 y = -0.30 m . What are (a)the magnitude and
(b)direction of the total electric force that these charges exert
on a third point charge Q = 5.0?C at x =
0.40 m , y = 0?
A positive charge q is fixed at the point
x=0,y=0 and a negative charge -2q is
fixed at the point x=a,y=0.
Part A:
Derive an expression for the potential V at points on
the y-axis as a function of the coordinate y.
Take V to be zero at an infinite distance from the
charges.
Part B:
At which positions on the y-axis is V = 0?
Part C:
What does the answer to part A become when
y>>a?
Part D:...
A charge of -4 µ C is located at (x, y) = (0, 0) and a second
charge of 2 µ C is located at x = 1. (a) Find a general expression
for the electric field. (b) At what point, if any, will the
electric field vanish?
Two positive point charges are held fixed on the
x-axis. Point charge A is located at the
origin, and point charge B is located at the
position x = −5.00 cm = −5.00✕10-2 m (on the
negative x-axis). The magnitude of charge
A is two times greater than that of charge
B: qA = 2qB.
ke = 8.9876✕109
Nm2/C2
(A.) The electric force on charge A has
magnitude 0.344 mN = 0.344⨯10-3 N. What is the
electric force (magnitude and...
A -15nC charge is located at (x, y) = (1.2cm ,
0 cm).
What is the x-component of the electric field at the
position (x, y) = (0 cm, 4.0cm )?
What is the y-component of the electric field at the
position (x, y) = (0 cm, 4.0cm )?
A point charge of -6 C is located at x
= 1 m, y = -2 m. A
second point charge of 12 C is located at
x = 1 m, y = 3
m.
(a) Find the magnitude and
direction of the electric field at x =
-1 m, y = 0. (in N/C and
in degrees)
b) Calculate the magnitude and
direction of the force on an electron at
x = -1 m, y =
0. (in N...
A point charge of -4 micro C is located at
x = 1 m, y = -2
m. A second point charge of 12 micro C is located
at x = 1 m, y =
3 m.
(a) Find the magnitude and direction of the electric field at
x = -1 m, y =
0.
(b) Calculate the magnitude and direction of the force on an
electron at x = -1 m, y =
0.
A 5.1-µC point charge is located at x = 1.1 m, y = 2.7 m, and a
-3.6-µC point charge is located at x = 1.8 m, y = -2.1 m.
(a) Find the magnitude and direction of the electric field at x
= -2.7 m, y = 1.1 m.
(b) Find the magnitude and direction of the force on a proton at
x = -2.7 m, y = 1.1 m.
A 5.4-µC point charge is located at x = 1.1 m,
y = 2.9 m, and a -4.3-µC point charge is located at
x = 2.3 m, y = -1.9 m.
(a) Find the magnitude and direction of the electric field at
x = -2.7 m, y = 1.2 m.
magnitude
kN/C
direction
°
(b) Find the magnitude and direction of the force on a proton at
x = -2.7 m, y = 1.2 m.
magnitude
N
direction
°