Jumper cables used to start a stalled vehicle often carry a 65-A current.
How strong is the magnetic field 2.5 cm from one cable?
Express your answer to two significant figures and include the appropriate units.
Magnetic field due to an infinite curent carrying conductor, B =
2kI/d
so, B = 2*10^-7 * 65 / 0.025 = 0.00052 T
Jumper cables used to start a stalled vehicle often carry a 65-A current. How strong is...
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