The switch is closed, and the wire released. Which of the following will be observed? Switch Pivot Copper wire Conducting Dish solution (A) The wire will rotate about the magnet. (B) The wire will be attracted to the magnet. (C) The magnet will rotate about its vertical axis. (D) The solution in the dish will rotate about the magnet.
The switch is closed, and the wire released. Which of the following will be observed? Switch Pivot Copper wire Conducting Dish solution (A) The wire will rotate about the magnet. (B) The wire will be attracted to the magnet. (C) The magnet will rotate about its vertical axis. (D) The solution in the dish will rotate about the magnet.
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Q1.4 only

Transcribed Image Text:Q1.3
Two beams of electrons are close to one another and
travelling in the same direction. In this situation:
(A) the two beams would have no effect on each other.
(B) there would be a resultant magnetic force of attraction
between the beams.
(C) there would be a resultant magnetic force of repulsion
between the two beams.
(D) the force between the beams would be different if they
were electrons.
Q1.4
The switch is closed, and the wire released. Which of the
following will be observed?
Switch
Pivot
Copper wire
N
Conducting
Dish
solution
(A) The wire will rotate about the magnet.
(B) The wire will be attracted to the
(C) The magnet will rotate about its vertical axis.
(D) The solution in the dish will rotate about the magnet.
magnet.
Q1.5
1=3 A
A current-carrying conductor
passes through a square region of
magnetic field, magnitude 0.5 T,
as shown in the diagram. The
magnetic field is directed into the
0.4 m
x x X
X X x
page,
What is the magnitude of the
magnetic force on the conductor?
(A) 0.170 N
(B) 0.424 N
(C) 0.600 N
(D) 0.849 N
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