29. Sources of Magnetic Field
Magnetic Field Produced by Straight Currents
4:43 minutes
Problem 28.1
Textbook Question
Textbook Question(I) Jumper cables used to start a stalled vehicle often carry a 65-A current. How strong is the magnetic field 5.0 cm from one cable? Compare to the Earth’s magnetic field . (5.0 x 10⁻⁵ T) .
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