APFIVE Magnetic Field of a Solenoid and Wire
A solenoid with 500 turns per meter carries a current of 3.0 A. If a long, straight wire carrying 6.0 A is placed at the center of the solenoid, what is the magnitude of the magnetic field 2.0 cm from the wire inside the solenoid?
A
3.8 × 10^-4 T
B
1.88 × 10^-3 T
C
1.9 × 10^-4 T
D
7.5 × 10^-4 T
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