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7 questions
A current carrying wire lies between the poles of
two magnets, as shown. What is the direction of the force on the wire?
Into the plane of the paper
Out of the plane of the paper
Towards the N-pole
To the right
The diagram shows a current-carrying wire in a horizontal magnetic field.
Which arrow shows the direction of the force experienced by the wire?
A
B
C
D
A current-carrying wire of length 50 cm is
positioned perpendicular to a uniform magnetic field.
If the current is 10.0 A and it is determined that there
is a resultant force of 3.0 N on the wire due to the
interaction of the current and field, what is the
magnetic field strength?
6.7 E -3 T
1.8 E -3 T
0.6 T
1.5 T
A 2.0 m wire segment carrying a current of
0.60 A oriented parallel to a uniform magnetic field of
0.50 T experiences a force of what magnitude?
0
0.15 N
0.30 N
6.7 N
A wire is lying horizontally in the north-south
direction and the horizontal magnetic field is toward
the east. Some positive charges in the wire move
north and an equal number of negative charges move
south. The direction of the force on the wire will
EAST
WEST
INTO THE PAGE
OUT OF THE PAGE
The force exerted on a current-carrying wire
located in an external magnetic field is directly
proportional to which of the following?
I. Current strength
II. Field strength
III. Length of the wire
I only
II only
I and II only
I, II and III
What is the magnetic force exerted on a 3.50 𝑚 length of wire carrying a current of 1.20 𝐴 perpendicular to a
magnetic field of 0.890 𝑇?
6.5 N
4.25 N
3.74 N
1.75 N
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