Concept explainers
(a)
The magnetic field
Answer to Problem 67QAP
Explanation of Solution
Given info:
Formula used:
Calculation:
Conclusion:
Thus, the magnetic field at a distance of 1 m is 1 T and at distance of 1 km
(b)
Compare the fields in part (a) with the magnetic field produced by a typical household current of 10 A in a very long wire at the same distances from the wire as in (a)
Answer to Problem 67QAP
Explanation of Solution
Given info:
Formula used:
Calculation:
Conclusion:
(c)
How close would you have to get to the wire in part (b) for its magnetic field to be the same as the field produced by the lightning bolt at 1.0 km from the bolt
Answer to Problem 67QAP
2 mm
Explanation of Solution
Given info:
Formula used:
Calculation:
Conclusion:
Thus, the wire should 2 mm close for its magnetic field to be the same as the field produced by the lightning bolt at 1.0 km from the bolt
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Chapter 19 Solutions
COLLEGE PHYSICS
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