Concept explainers
The net magnetic field of the wire.
Answer to Problem 35P
The net magnetic field of the wire is
Explanation of Solution
Given:
Current carried by wire is 22 A in the North direction.
Earth’s magnetic field is
Formula used:
Magnetic field in the current-carrying wire is calculated as
Calculation:
Consider the diagram shown below.
As shown in the diagram, magnetic field of wire is facing straight upward of magnitude.
Earth’s horizontal component of magnetic field gives the net horizontal component of magnetic field that is,
Now, the net vertical component of magnetic field is
The net magnetic field is the vector sum of both horizontal and vertical components. Thus,
Now, the direction of the net magnetic field of the wire is
Conclusion:
Therefore, the net magnetic field of the wire is
Chapter 20 Solutions
Physics: Principles with Applications
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