Recent content by alice emily

  1. A

    What is B = (mu * l)/(2pi*r) used for?

    Homework Statement what is this equation used for Homework Equations B=(mu*l)/(2*pI*r) The Attempt at a Solution
  2. A

    Magnetic fields/ force on conductors

    i believe the answer is 4 x 10 to the -4 telsa
  3. A

    Magnetic fields/ force on conductors

    Homework Statement calculate a value for B at a distance of 50cm, in ,air, from a long straight cable carrying a current of 1000A. Homework Equations F=Bqv=BIl I=q\t = qv/l F=LIB The Attempt at a Solution i have not been able to calculate an answer as there are constantly two...