Concept explainers
The strength of magnetic field at a given distance.
To compare: The obtained value with the Earth’s magnetic field.
Answer to Problem 26P
The obtained value of magnetic field is 4.34 times of Earth’s magnetic field.
Explanation of Solution
Given:
Current carried by ajumper cable is 65 A.
Distance is 6 cm.
Formula used:
Magnetic field is,
Here,
B is magnetic field.
I is current.
r is distance
Calculation:
Here r =6.0cm =0.06m and I =65A
Substituting the values,
Earth magnetic field is
So,
Conclusion:
Therefore,
The obtained value of magnetic field is 4.34 times of Earth’s magnetic field.
Chapter 20 Solutions
Physics: Principles with Applications
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