Consider a long, closely wound solenoid with 10,000 turns per meter. What current, in amperes, is needed in the solenoid to produce a magnetic field inside the solenoid, near its center, that is 10* times the Earth's magnetic field of 4.75 × 10³ T?
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![Consider a long, closely wound solenoid with 10,000 turns per meter.
What current, in amperes, is needed in the solenoid to produce a magnetic field inside the solenoid, near its center, that is 10* times the Earth's magnetic
field of 4.75 x 10-$ T?
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