Question: 1. Find the magnetic field at 0.255 m from a long wire carrying a current of 1.38 A. 2. Find the magnetic field at 0.365

1. Find the magnetic field at 0.255 m from a long wire carrying a current of 1.38 A.
2. Find the magnetic field at 0.365 m from a long wire carrying a current of 8.95 A.
3. What is the current in a wire if the magnetic field is 4.75 x 10–6T at a distance of 1.75 m from the wire?
4. A solenoid has 2000 turns of wire, is 0.452 m long, and carries a current of 4.55 A. What is the magnetic field at the center of the solenoid?
5. A solenoid has 2750 turns of wire and is 0.182 m long. What current is required to produce a magnetic field of 0.235 T at the center of the solenoid?

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