11. Which statement is true? A. The magnetic field created by a single current loop is weakest inside the loop. B. The magnetic field created by a single current loop is stronger the farther away from the loop. OC. The magnetic field created by a single current loop is unoform inside and outside of the loop. D. The magnetic field created by a single current loop is strongest inside the loop. 13. What will happen if a current directed upward is introduced into the wire in the figure below. xxxx xx A the wire will deflect to the left the wire will deflect to the right nothing happens the wire will move up B. C. D.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter29: Magnetic Fields
Section: Chapter Questions
Problem 29.12OQ
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11. Which statement is true?
A. The magnetic field created by a single current loop is weakest inside the loop.
B. The magnetic field created by a single current loop is stronger the farther away
from the loop.
OC. The magnetic field created by a single current loop is unoform inside and
outside of the loop.
OD. The magnetic field created by a single current loop is strongest inside the loop.
13. What will happen if a current directed upward is introduced into the wire in the figure below.
xx #xx
xxxx
xxxx
xxxx
xxxxX
xxxx,
C
A
the wire will deflect to the left
B.
the wire will deflect to the right
C.
nothing happens
O D.
D.
the wire will move up
14. The diagram below shows a circular wire loop of
radius R carrying current I. What is the direction of the
magnetic field, B, at the center of the loop?
Top View
farthest from you
R
T
closest to you
О
A.
down
OB. up
O C.
right
O D. left
19.A long, straight wire allows 3.50 A through it. What
is the magnitude of the magnetic field 25.0 cm from
the wire? Express the answer in microTesla (μT). Write
magnitude only, unit is already given.
О А.
F
B =
qvsine
MI
B =
2лr
MI
B = N
2R
F
B =
II
R
о в.
B.
O C
O D
Transcribed Image Text:11. Which statement is true? A. The magnetic field created by a single current loop is weakest inside the loop. B. The magnetic field created by a single current loop is stronger the farther away from the loop. OC. The magnetic field created by a single current loop is unoform inside and outside of the loop. OD. The magnetic field created by a single current loop is strongest inside the loop. 13. What will happen if a current directed upward is introduced into the wire in the figure below. xx #xx xxxx xxxx xxxx xxxxX xxxx, C A the wire will deflect to the left B. the wire will deflect to the right C. nothing happens O D. D. the wire will move up 14. The diagram below shows a circular wire loop of radius R carrying current I. What is the direction of the magnetic field, B, at the center of the loop? Top View farthest from you R T closest to you О A. down OB. up O C. right O D. left 19.A long, straight wire allows 3.50 A through it. What is the magnitude of the magnetic field 25.0 cm from the wire? Express the answer in microTesla (μT). Write magnitude only, unit is already given. О А. F B = qvsine MI B = 2лr MI B = N 2R F B = II R о в. B. O C O D
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