A wire of length 26.0 cm carrying a current of 5.77 mA is to be formed into a circular coil and placed in a uniform magnetic field B of magnitude 3.67 mT. If the torque on the coil from the field is maximized, what is the magnitude of that maximum torque

The maximum torque is  

Explanation:

From the question we are told that

   The length of the wire is  

     The current flowing through the wire is  

      The magnetic field is  

The maximum torque is mathematically evaluated as

Where  is the magnetic dipole moment which is mathematically represented as

Where is the number of turns which from the question is  1

    substituting values

Now  

transverse waves oscillate in one direction while traveling in another. compressional, or longitudinal waves, oscillate “three steps forward, two steps back” in the same direction as the overall direction of travel.

two charges are fixed in place on the x-axis as shown. the charge at x = 0 is negative and has magnitude q = 2 μcoulombs (1 μcoulomb = 10-6 coulombs). the charge at x = d, (d = +12 cm), is positive and has magnitude q = 4 μcoulombs. find a point x = xo along the x-axis at which the electric field is zero.