4 A metal loop of radius r = meter and resistivity 8 Ohms per meter lies in the x – y plane. The loop is put in a space wise constant, but time-varying magnetic field as shown in figure (its direction out of page: z). a) What is the magnetic energy density at t = 4 minutes? b) What is the magnitude and direction of the induced current at t = 1.5 minutes in the metal 2 1 2 3 4 5 6 7 8 t (min) wire? c) Compare the EMF of the induced in the metal loop at t = 7 and 9 minutes? d) Compare the induced electric field at r/3 and r/2 at t = 1.5 minutes.
4 A metal loop of radius r = meter and resistivity 8 Ohms per meter lies in the x – y plane. The loop is put in a space wise constant, but time-varying magnetic field as shown in figure (its direction out of page: z). a) What is the magnetic energy density at t = 4 minutes? b) What is the magnitude and direction of the induced current at t = 1.5 minutes in the metal 2 1 2 3 4 5 6 7 8 t (min) wire? c) Compare the EMF of the induced in the metal loop at t = 7 and 9 minutes? d) Compare the induced electric field at r/3 and r/2 at t = 1.5 minutes.
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Transcribed Image Text:B, (Tesla)
2
4
A metal loop of radius r =
meter and resistivity 8 Ohms per meter
3
lies in the x – y plane. The loop is put in a space wise constant, but
time-varying magnetic field as shown in figure (its direction out of
page: z).
a) What is the magnetic energy density at t
b) What is the magnitude and direction of the induced current at t = 1.5 minutes in the metal
1 2 3 4 5 6 7 8\
t (min)
4 minutes?
wire?
7 and 9 minutes?
c) Compare the EMF of the induced in the metal loop at t =
d) Compare the induced electric field at r/3 and r/2 at t
1.5 minutes.
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