An electric power line carries a current of 1600 A in a location where the earth's magnetic field is 4.0*10-5 T. The line makes an angle of 75° with respect to the field. Determine the magnitude of the magnetic force on a 130 m length of line.

  1. 👍
  2. 👎
  3. 👁
  1. F = B i L sin 75
    B is the megnetic field in Tesla
    i is the current in amperes
    L is the length of the wire

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    Two very long, straight, parallel wires carry currents that are directed perpendicular. Wire 1 carries a current I1 into the page (in the -z direction) and passes through the x axis at x = +a. Wire 2 passes through the x axis at x

  2. Physics

    Two long parallel wires separated by a distance, d, carry currents in opposite directions. If the left-hand wire carries a current i/2, and the right-hand wires carries a current i, determine where the magnetic field is zero.

  3. physics

    The emf of a battery is equal to its terminal potential difference: A) under all conditions B) only when the battery is being charged C) only when a large current is in the battery D) only when there is no curent in the battery E)

  4. science help pls pls

    Look at the position of Location 1, Location 2, and Location 3 in this picture. Simple diagram of a lake represented by a wavy circle. The circle is labeled 'Lake,' and there are three points outside of the lake: 'Location 1' is

  1. physic

    A long straight horizontal wire carries a current = 3.90 A to the left. A positive 1.00 C charge moves to the right at a distance 1.50 m above the wire at constant speed v = 5000 m/s. What is the magnitude of the magnetic field at


    Consider a wire of length L = 0.30 m that runs north-south on a horizontal surface. There is a current of I = 0.50 A flowing north in the wire. (The rest of the circuit, which actually delivers this current, is not shown.) The

  3. electromagnetic

    Plane x = 10 carries current 100 mA/m along az while line x = 1, y = —2 carries filamentary current 20π mA along az Determine H at (4, 3, 2). pls i need it for my exam

  4. physics

    A power line 10 meter high carries a current 200 amperes .Find the magnetic field of the wire at ground?

  1. physics

    An alarm clock uses 5.0 watts of electric power. If the clock is plugged into 120 volts outlet, what electric current is in the clock's circuit?

  2. 12th

    an electron above the earth is balanced by the gravitational force and the electric field of the earth. find the electric field of the earth.

  3. Multiple Choice

    Physics 2. Which of the following is equivalent to one ampere? (Points : 1) 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s Question 3.3. A stream of moving charges results in a current of 5.6 A. How long does 116 C of charge take to

  4. physics

    Imagine a parallel universe in which the electric force has the same properties as in our universe but there is no gravity. In this parallel universe, the sun carries charge Q, the earth carries charge −Q, and the electric

You can view more similar questions or ask a new question.