7. Two parallel wires are vertical. The one on the left carries a 10 A current upward. The other carries a 5 A current downward. Compare the magnitude of the force that each wire exerts on the other. (a) The wire on the left carries twice as much current so it exerts twice the force on the right wire as the right one exerts on the left one. (b) The wire on the left exerts a smaller force. It creates a magnetic field twice that due to the wire on the right, and therefore has less energy to cause a force on the wire on the right. (e) The two wires exert the same force on each other. (d) Not enough information.
7. Two parallel wires are vertical. The one on the left carries a 10 A current upward. The other carries a 5 A current downward. Compare the magnitude of the force that each wire exerts on the other. (a) The wire on the left carries twice as much current so it exerts twice the force on the right wire as the right one exerts on the left one. (b) The wire on the left exerts a smaller force. It creates a magnetic field twice that due to the wire on the right, and therefore has less energy to cause a force on the wire on the right. (e) The two wires exert the same force on each other. (d) Not enough information.
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![7. Two parallel wires are vertical. The one on the left carries a 10 A current upward. The
other carries a 5 A current downward. Compare the magnitude of the force that each
wire exerts on the other.
(a) The wire on the left carries twice as much current so it exerts twice the force on the
right wire as the right one exerts on the left one.
(b) The wire on the left exerts a smaller force. It creates a magnetic field twice that due
to the wire on the right, and therefore has less energy to cause a force on the wire on
the right.
(c) The two wires exert the same force on each other.
(d) Not enough information.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd07bad07-4122-447f-beb3-20446726b250%2F8bbb2fd9-1f04-47ba-8b7f-1aaeb51f63e7%2F01g25mc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7. Two parallel wires are vertical. The one on the left carries a 10 A current upward. The
other carries a 5 A current downward. Compare the magnitude of the force that each
wire exerts on the other.
(a) The wire on the left carries twice as much current so it exerts twice the force on the
right wire as the right one exerts on the left one.
(b) The wire on the left exerts a smaller force. It creates a magnetic field twice that due
to the wire on the right, and therefore has less energy to cause a force on the wire on
the right.
(c) The two wires exert the same force on each other.
(d) Not enough information.
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