Concept explainers
(a)
The magnitude of the magnetic field created by
(a)
Answer to Problem 45P
The magnitude of the magnetic field created by
Explanation of Solution
Write the expression of the magnetic field at the origin due to the current
Here,
Conclusion:
Substitute
The magnitude of the magnetic field created by
(b)
The force per unit length
(b)
Answer to Problem 45P
The force per unit length exerted by
Explanation of Solution
Write the expression of the force exerted per unit length by
Here,
Conclusion:
Substitute
The force per unit length exerted by
(c)
The magnitude of the magnetic field created by
(c)
Answer to Problem 45P
The magnitude of the magnetic field created by
Explanation of Solution
Write the expression of the magnetic field at the origin due to the current
Here,
Conclusion:
Substitute
The magnitude of the magnetic field created by
(d)
The force per unit length
(d)
Answer to Problem 45P
The force per unit length exerted by
Explanation of Solution
Write the expression of the force exerted per unit length by
Here,
Conclusion:
Substitute
The force per unit length exerted by
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Chapter 22 Solutions
Principles of Physics: A Calculus-Based Text
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