2. A rectangular frame of sides 2b x c has current I and mass m. It is a distance b below a very long wire carrying current 21. What is the acceleration of the frame? Give answer in component vector form. 21 2b +y +x

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2. A rectangular frame of sides 2b x c has current I and mass m. It is a distance b below a very long wire carrying
current 21. What is the acceleration of the frame? Give answer in component vector form.
21
b
2b
C
+y
L.
+x
Transcribed Image Text:2. A rectangular frame of sides 2b x c has current I and mass m. It is a distance b below a very long wire carrying current 21. What is the acceleration of the frame? Give answer in component vector form. 21 b 2b C +y L. +x
After this activity you should know: I Be able to combine the magnetic field of a long straight wire and the magnetic
force on a current to determine the magnetic force between two long straight currents Recognize when currents willI
attract and when they will repel.
1. Two wires separated by a distance D carry current I1 and current I2
in the same direction. We want to find the magnetic force on a
segment of length L of current 2.
I 1
F1 on 2
а.
What is the direction (in/out/left/right/top/bottom) and
magnitude of B1, the magnetic field generated by I at location
I2? Assume that wire 1 is very long.
DA
` I 2
F 2 on 1
Holi
(in)
2π D
L
b. What is the direction of the magnetic force exerted by current 1 on current 2?
towards 11 (up)
С.
What is the magnitude of the magnetic force exerted by current 1 on current 2?
F21 = I2 L × B
2πD
d. What is the direction of the magnetic force that current 2 exerts on current 1?
( down )
е.
Based on your results do parallel currents attract or repel each other?
if they are in the same directions they attract if they are in different directions the repel
f.
Now assume I2 is opposite the direction of l1. Do anti-parallel currents attract or repel each other?
they repel
Transcribed Image Text:After this activity you should know: I Be able to combine the magnetic field of a long straight wire and the magnetic force on a current to determine the magnetic force between two long straight currents Recognize when currents willI attract and when they will repel. 1. Two wires separated by a distance D carry current I1 and current I2 in the same direction. We want to find the magnetic force on a segment of length L of current 2. I 1 F1 on 2 а. What is the direction (in/out/left/right/top/bottom) and magnitude of B1, the magnetic field generated by I at location I2? Assume that wire 1 is very long. DA ` I 2 F 2 on 1 Holi (in) 2π D L b. What is the direction of the magnetic force exerted by current 1 on current 2? towards 11 (up) С. What is the magnitude of the magnetic force exerted by current 1 on current 2? F21 = I2 L × B 2πD d. What is the direction of the magnetic force that current 2 exerts on current 1? ( down ) е. Based on your results do parallel currents attract or repel each other? if they are in the same directions they attract if they are in different directions the repel f. Now assume I2 is opposite the direction of l1. Do anti-parallel currents attract or repel each other? they repel
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