Question

If the total charge on a rod of length 0.4 m is 2.2 nC, what is the magnitude of the electric field at a location 3 cm from the midpoint of the rod?

____ N/C

Answer #1

A thin rod of length L=80 cm carries a total charge of +5 nC
uniformly distributed over its left half and -5 nC over its right
half. Find the electric field on the axis of the rod at distance
r=400 cm from its rightmost end. What is the magnitude of the
electric field at point P. (N/C)?

A long, straight metal rod has a radius of 4.20 cm and a charge
per unit length of 34.4 nC/m. Find the electric field at the
following distances from the axis of the rod, where distances are
measured perpendicular to the rod's axis.
(a) 2.00 cm
magnitude
N/C
direction
---Select--- inward outward magnitude is zero
(b) 14.0 cm
magnitude
N/C
direction
---Select--- inward outward magnitude is zero
(c) 140 cm
magnitude
N/C
direction
---Select--- inward outward magnitude is zero

12-A rod 16.0 cm long is uniformly charged and has a total
charge of -21.0 µC. Determine the magnitude and direction of the
electric field along the axis of the rod at a point 40.0 cm from
its center.
magnitude
17-The charge per unit length on a long, straight filament is
-94.7 µC/m.
(a) Find the electric field 10.0 cm from the filament, where
distances are measured perpendicular to the length of the filament.
(Take radially inward toward the filament...

A charge of 7 nC is located at (3, 0) cm, and a charge of 8 nC
is located at (0,3) cm.
What is the magnitude of the Electric Field at the origin in
N/C?

A -7 nC charge is located 2.5 meters to the right of a +4 nC
charge. Determine the magnitude of the electric field at the
midpoint of the two charges. Express your answer as a positive
number in N/C.

A rod 12.0 cm long is uniformly charged and has a total charge
of -21.0 µC. Determine the magnitude and direction of the electric
field along the axis of the rod at a point 36.0 cm from its
center.
magnitude
N/C

Q2/ A point charge of 0.4 nC is located at point M(2,
3, 4). Determine the electric field intensity at point N(5.4.1) in
free space. All dimensions are in meters

A straight, nonconducting plastic wire 7.00 cm long carries a
charge density of 125 nC/m distributed uniformly along its length.
It is lying on a horizontal tabletop.
- Find the magnitude and direction of the electric field this
wire produces at a point 4.50 cm directly above its midpoint.
- Is the electric field directed upward or downward?
- If the wire is now bent into a circle lying flat on the table,
find the magnitude and direction of the...

A straight, nonconducting plastic wire 9.50 cm long
carries a charge density of 100 nC/m distributed uniformly along
it's length. It is lying on a horizontal tabletop.
A. Find the magnitude and direction of the electric field this wire
produces at a point 4.50 cm directly above its midpoint.
B. If the wire is now bent into a circle lying flat on the table,
find the magnitude and direction of the electric field it produces
at a point 4.50 cm...

A thin rod 39.2 cm long is charged uniformly with a
positive charge density of 46.0 ?C/m. The rod is
placed along the y-axis and is centered at the origin. A charge of
+43.0 ?C is placed 51.2 cm from the midpoint of
the rod on the positive x-axis. Calculate the electric field at a
point on the x-axis, which is halfway between the point charge and
the center of the rod. (Express your answer in terms of the unit...

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