(a) Calculate the maximum emf induced in the coil by this field. mV (b) What is
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Question
(a) Calculate the maximum emf induced in the coil by this field.
mV
(b) What is the orientation of the coil with respect to the magnetic field when the maximum emf occurs?
O The plane of the coil is parallel to the magnetic field.
O The plane of the coil is perpendicular to the magnetic field.
O The plane of the coil is oriented 45 with respect to the magnetic field.
T.
A 120-turn square coil of side 20.0 cm rotates about a vertical axis at ? = 1.38 (a) Calculate the maximum emf induced in the coil by this field. mV (b) What is the orientation of the coil with respect to the magnetic field when the maximum emf occurs? O The plane of the coil is parallel to the magnetic field. O The plane of the coil is perpendicular to the magnetic field. O The plane of the coil is oriented 45½ with respect to the magnetic field. T. x 10-5 T. x 103 rev/min as indicated in the figure below. The horizontal component of Earth's magnetic field at the coil's location is equal to 2.00Explanation / Answer
a) emf_max = N*A*B*w
= 120*0.04*2*10^-5*144.45
= 13.87 mVolts
b) The plane of the coil is parallel to the magnetic field.
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