Homework Answers
electric potential V due to a charge Q at a distance R is
V = Q/(4*pi*E*R)
where E is vaccume permitivity , E= 8.85*10^(-12) F/m
net electric potential at P is = (Q1/R1 + Q2/R2 + Q3/R3)/4*pi*E
=[ (9*10^-6)/0.25 + (-8*10^-6)/0.559 + (2*10^-6)/0.5 ]/4*pi*8.85*10^(-12)
V = 230.9 KV
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Consider the charge configuration in the figure below. Find the electric potential at P due to...
. Find the electric potential of the following configuration at point P. The two short sides...
. Find the electric potential of the
following configuration at point P. The two short sides of the
triangle are the same size = 23 cm.
Q1 = - 5600 nC
Q2 = - 2200 nC
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= q3 = +10.0×10−8C.
A) Determine the initial electric potential energy of the system
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potential energy of the system consisting of all four charges. C)
Determine the work done on the system by moving the charge
q4 from...
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. Find the electric potential of the
following configuration at point P. The two short sides of the
triangle are the same size = 23 cm.
Q1 = - 5600 nC
Q2 = - 2200 nC
Q1 02
Two Charge Potential Consider the figure shown below. Q1-2.10 ×10-9 c and Q2--8.90 x10-9 c calculate the potential at the location marked .3. Charges all located at integer coordinates, and assume the potential is zero at infinity Q2, and point 3, are 12 10 2 0 2 4 6 8 10 12 Distance (cm)
a) In the picture below, the 3
charges Q1, Q2 and Q3 are located at positions (-a,0), (a,0) and
(0,-d) respectively. (The origin is the point halfway between Q1
and Q2.) Consider the special case where Q1, Q3 greater than zero
and Q2 = -Q1. Select true or false for each statement. The force on
Q3 due to the other two charges is zero. The electric potential at
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Consider a system of three charges shown in (Figure 1). An
object with charge q4 = +7.0×10−9C is moved to position C
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= q3 = +10.0×10−8C.
A) Determine the initial electric potential energy of the system
consisting of all four charges. B) Determine the final electric
potential energy of the system consisting of all four charges. C)
Determine the work done on the system by moving the charge
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