mcconnell (kam2342) – oldhomework 20 – Turner – (60230)
1
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have
9
questions.
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001
(part 1 of 2) 10.0 points
A circular coil of 210 turns and area 0
.
24 m
2
is in a uniform magnetic field of 0
.
3 T.
The
maximum torque exerted on the coil by the
field is 0
.
0017 N
·
m.
Calculate the current in the coil. Answer in
units of A.
002
(part 2 of 2) 10.0 points
Assume the 210 turns of wire are used to form
a singleturn coil with the same shape but
much larger area.
What is the current if the maximum torque
exerted on the coil by the field is 0
.
0017 N
·
m?
Answer in units of A.
003
10.0 points
A circular loop of radius 3
.
85 cm contains 66
turns of tightly wound wire.
If the current in the windings is 0
.
413 A and
a constant magnetic field of 0
.
356 T makes an
angle of 65
.
8
◦
with a vector perpendicular
with the loop, what torque acts on the loop?
Answer in units of N
·
m.
004
10.0 points
Given:
A loop with current
I
produces a
magnetic moment
μ ,
as shown below.
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 Spring '10
 Turner
 Magnetic Field, Districts of Vienna, 60 cm, 18 cm, 13 cm, 3.85 cm

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