51 Go In the rectangle of Fig. 24- 55, the sides have lengths 5.0 cm and 15 cm, q₁ = : +2.0 -5.0 μC, and 92 μC. With V = 0 at infinity, what is the electric potential at (a) corner A and (b) corner B? (c) How much work is required to move a charge q3 = +3.0 μC from B to A along a diagonal of the rectangle? (d) Does this work in- crease or decrease the electric po- tential energy of the three-charge

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Chapter7: Electric Potential
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Problem 12CQ: Can a particle move in a direction of increasing electric potential, yet have its electric potential...
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51) Start with both charges at ∞.
a) What is the potential at the location of q₁? How much work is done to bring q₁ to its
location?
V₁ =
volts
b) What is the distance between 9₁ and 9₂?
r12 =
_m
V12 =
SA
W₁ =
to bring
c) What is the potential at the location of q2 due to q₁? How much work is done to bring
q2 to its location?
8 volt
volts
W₂ =
Joules
breqab
bnsq
1=U
Joules
Transcribed Image Text:51) Start with both charges at ∞. a) What is the potential at the location of q₁? How much work is done to bring q₁ to its location? V₁ = volts b) What is the distance between 9₁ and 9₂? r12 = _m V12 = SA W₁ = to bring c) What is the potential at the location of q2 due to q₁? How much work is done to bring q2 to its location? 8 volt volts W₂ = Joules breqab bnsq 1=U Joules
51
In the rectangle of Fig. 24-
55, the sides have lengths 5.0 cm and
15 cm, 91
-5.0 μC, and q2 = +2.0
μC. With V = 0 at infinity, what is the
electric potential at (a) corner A and
(b) corner B? (c) How much work is
required to move a charge q3 = +3.0
μC from B to A along a diagonal of
the rectangle? (d) Does this work in-
crease or decrease the electric po-
tential energy of the three-charge
system? Is more, less, or the same
work required if q3 is moved along a
Figure 24-55 Problem 51.
path that is (e) inside the rectangle but not on a diagonal and (f)
outside the rectangle?
Figure 24-54 Problem 50.
41
12
B
A
42
Transcribed Image Text:51 In the rectangle of Fig. 24- 55, the sides have lengths 5.0 cm and 15 cm, 91 -5.0 μC, and q2 = +2.0 μC. With V = 0 at infinity, what is the electric potential at (a) corner A and (b) corner B? (c) How much work is required to move a charge q3 = +3.0 μC from B to A along a diagonal of the rectangle? (d) Does this work in- crease or decrease the electric po- tential energy of the three-charge system? Is more, less, or the same work required if q3 is moved along a Figure 24-55 Problem 51. path that is (e) inside the rectangle but not on a diagonal and (f) outside the rectangle? Figure 24-54 Problem 50. 41 12 B A 42
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