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Q1
: In the figure, the three particles are fixed in place and have charges
C
Q
2
1
,
C
Q
1
2
and
C
Q
1
3
.
Distance a = 4cm. What is the net electric field at point P due to the particles?
Q2
: Three charges, q
1
= 2 C, q
2
= 1 C, and q
3
= 3C, are placed on the
xy
plane, as shown in the figure. The
coordinates of q
1
, q
2
, and q
3
are respectively given as (0, 4m), (3m, 0), and (3m, 4m).
Calculate the electric
field at the origin in unit vector notation
.
y
q
1
q
2
q
3
x
O
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View Full Document Q3
: Figure shows two concentric rings, of radii R and R
′
=3R, that lie on the same plane. Point P lies on the central
z axis, at distance D=2R from the center of the rings. The smaller ring has uniformly distributed charge +Q. In
terms of Q, what is the uniformly distributed charge on the larger ring if the net electric field at P is zero?
Q4
: Charge is uniformly distributed along the rod with
nC
5
q
1
in the upper half and
nC
5
q
2
in the lower
half. If
m
6
L
and
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This note was uploaded on 11/07/2010 for the course COMPUTER 22323125 taught by Professor Mcbulut during the Spring '10 term at A.T. Still University.
 Spring '10
 mcbulut

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