Physics help

posted by .

1. if the magnetic field is 2.1 m from a current carrying wire is 7.1x10^-5 T, what is the current flowing through the wire?

2. The electromagnet in an MRI has a magnetic field of 2.5 T. If there are 100 A of current running through the magnet, how many turns are there in a 1.8 m length?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    A current-carrying wire is oriented at right angles to a uniform magnetic field. If the length of the wire is 0.50 m and it experiences a force of 0.90 N while carrying a current of 4.0 A, what is the strength of the magnetic field?
  2. Physics

    A wire 75cm long carrying a current of 6.0A toward the north passes through a uniform magnetic field. The magnitude of the force acting on the wire is 0.60N and is directed downward. What is the strengh and direction of the magnetic …
  3. physics

    a current-carrying wire is oriented at right angles to a uniform magnetic field. if the lenght of the wire is 0.50m and it experiences a force at 0.90n while carrying a current of 4.0a. what is the strength of the magnetic field?
  4. Physics

    A 3 m long wire carrying a current of 1 A through a magnetic field of magnitude 17 T experiences a force of 8 kN entirely due to the current passing through the magnetic field. what angle does the wire make with the magnetic field?
  5. Physics

    An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width w=11 cm and length L=27 cm, as shown in the figure below. The distance from the infinite wire to the closest …
  6. Physics

    An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width w=11 cm and length L=27 cm, as shown in the figure below. The distance from the infinite wire to the closest …
  7. Physics

    Help please A wire carries a current of 5.2 A from east to west through a 6.0 m section of wire in the earth's magnetic field of 1 × 10^-5 T at a location where the magnetic field points south. What is the magnitude of the magnetic …
  8. Physics

    1. You are looking into a current carrying solenoid and notice that the compass needle indicates that you are at the south end of the magnetic field. What is the direction of the current in the coil and how do you know?
  9. Physics current directions

    I need help In studying the cross section of a straight current carrying wire, you notice that the magnetic field lines run counter-clockwise. What is the direction of the current in the wire and how do you know?
  10. Physics current directions

    I need help In studying the cross section of a straight current carrying wire, you notice that the magnetic field lines run counter-clockwise. What is the direction of the current in the wire and how do you know?

More Similar Questions