Question

The total electric flux from a cubical box 22.0 cmcm on a side is 3570 N⋅m2/CN⋅m2/C .

What charge is enclosed by the box in nC?

Answer #1

A cube with side lengths of 2.0m each is situated as above in an
electric field that points in the positive x direction at all
points, but gets larger further to the right. At x=0 (where the
left edge is) the strength is E=1200N/C, whereas at x=2.0m,
E=1800N/C. What is the total electric flux through this box? What
charge, if any, is inside the box. ε0=8.85×10−12C2/(N m2)

The electric field between two square metal plates is 350 N/CN/C
. The plates are 2.0 mm on a side and are separated by 1.0 cm. What
is the charge on each plate (assume equal and opposite)? Neglect
edge effects.

PART C: A cubical box 1.00 mm on a side
contains air at 20.0∘C∘C. What would the pressure inside the box
have to be in order for the mean free path of air molecules
(assumed to be spheres of radius 2.0×10−10m2.0×10−10m) to be 1.00
mm, so that a typical molecule suffers no collisions with other
molecules as it travels the width of the box?
PART D:
How many moles of air would be inside the box at the pressure
calculated...

A total charge of 25.0 nC is distributed uniformly through an
insulating sphere with a radius of 18.00 mm. The total electric
flux (in N m2/C) through a concentric sphere with a
radius of 9.00 mm

A cube of side L is place in a uniform electric field E = 4800
N/C. What is the net flux through the cube. Assume the electric
field lines are parallel with the edges of the cube.

The electric field at 5 cm from the center of a long copper rod
of radius 2 cm has a magnitude of 5 N/C and is directed outward
from the axis of the rod.
(a)
How much charge per unit length (in C/m) exists on the copper
rod?
C/m
(b)
What would be the electric flux (in N · m2/C) through
a cube of side 5 cm situated such that the rod passes through
opposite sides of the cube perpendicularly?...

Consider a cube 1< x,y,z < 2
and D=4x2yx+xy3y
C/m2
a) what is the volume charge density
b) what is the total charge enclosed in the cube
c) what is the flux of ΦD leaving the surface of the
cube

A total charge of 20.0 nC is distributed uniformly through an
insulating sphere with a radius of 6.00 cm. The total electric flux
(in N m2/C) through a concentric sphere with a radius of
3.00 cm is:
K = 9 x 10+9 N.m2.C-2 ,
ε0 = 8.85 x 10-12
C2.N-1.m-2

Consider the uniform electric field E = (7
j+ 4 k) ✕ 103
N/C.
What is its electric flux (in N · m2/C) through a
circular area of radius 1.0 m that lies in the xy-plane?
(Enter the magnitude.)

The electric field midway between two equal but opposite point
charges is 715 N/C , and the distance between the charges is 29.7
cmcm . What is the magnitude of the charge on each?

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