There are two current wires. The left wire carries current outward and right wire carries the current inward directions. Calculate the magnetic field at p point if both wires are located at r = C cm distance from the P and both carry the current I= 2.0 mA. What is the direction of magnetic field (use a word from up, down, left, right, in, out)? Permeability of air is µ = 1.26 × 10-6T/A ľ P r

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter19: Magnetism
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A = 60 

B = 62

C = 11

3.
a) There are two current wires. The left wire carries current outward and right wire carries the current
inward directions. Calculate the magnetic field at p point if both wires are located at r = C cm distance
from the P and both carry the current I= 2.0 mA. What is the direction of magnetic field (use a word
from up, down, left, right, in, out)? Permeability of air is µ = 1.26 × 10¯6T/A
O
P
r
b) Three particles (proton, electron, and neutron) start to move right, as shown in the figure. Suddenly
they encounter the same uniform magnetic field pointing out of the page and select three different
paths. Which particles will choose a, b and c paths shown?
c) If the circular conductor in the figure undergoes thermal expansion while it is in a uniform magnetic field
pointing into the page. Which direction will be the current induced (CCW or CW)? Explain.
Transcribed Image Text:3. a) There are two current wires. The left wire carries current outward and right wire carries the current inward directions. Calculate the magnetic field at p point if both wires are located at r = C cm distance from the P and both carry the current I= 2.0 mA. What is the direction of magnetic field (use a word from up, down, left, right, in, out)? Permeability of air is µ = 1.26 × 10¯6T/A O P r b) Three particles (proton, electron, and neutron) start to move right, as shown in the figure. Suddenly they encounter the same uniform magnetic field pointing out of the page and select three different paths. Which particles will choose a, b and c paths shown? c) If the circular conductor in the figure undergoes thermal expansion while it is in a uniform magnetic field pointing into the page. Which direction will be the current induced (CCW or CW)? Explain.
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