A 136 turn circular coil of radius 74 cm is placed in the earth's magnetic field...

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A 136 turn circular coil of radius 74 cm is placed in the earth's magnetic field 0.54 G, such that its magnetic dipole moment makes an angle 49° with the field as shown in the picture. If the current in the circular coil is 180 A, then calculate the following: (2+1+1=4 marks) a) The magnetic dipole moment of the coil in Am- b) The torque on the current loop measured in Nm = C) The potential energy of the current loop in joules A 136 turn circular coil of radius 74 cm is placed in the earth's magnetic field 0.54 G, such that its magnetic dipole moment makes an angle 49° with the field as shown in the picture. If the current in the circular coil is 180 A, then calculate the following: (2+1+1=4 marks) a) The magnetic dipole moment of the coil in Am- b) The torque on the current loop measured in Nm = C) The potential energy of the current loop in joules