A long piece of wire with a mass of 0.190kg and total length of 4.00 m is used t

Question

A long piece of wire with a mass of 0.190kg and total length of 4.00 m is used to make a square coil with aside of 0.100 m. The coil is hinged along a horizontal side,carries a 3.20 A current, and is placed ina vertical magnetic field of magnitude 0.0100 T.
(a) Determine the angle that the plane of thecoil makes with the vertical when the coil is in equilibrium.
__________° with the vertical
(b) Find the torque acting on the coil due to the magnetic force atequilibrium.
___________ N · m (a) Determine the angle that the plane of thecoil makes with the vertical when the coil is in equilibrium.
__________° with the vertical
(b) Find the torque acting on the coil due to the magnetic force atequilibrium.
___________ N · m

Explanation / Answer

     or =cot-1(mg/2ISBN)             = cot-1(0.190kg*9.8m/s2/2*3.20 A *0.100m*0.01T*10)
here cot-1 means inverse of thecot function , to find the angle

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