A wire ring of radius a, is placed in an external uniform magnetic field as shown in figure B = B₂+ B₂j where B₂ < 0 and By < 0, and carrying a clock-wise current I. a) Apply the right-hand rule and find the direction of the magnetic moment vector, p. b) Derive an expression for the magnitude of the torque on the loop. y F X Figure 4: A wire ring in an external magnetic field
A wire ring of radius a, is placed in an external uniform magnetic field as shown in figure B = B₂+ B₂j where B₂ < 0 and By < 0, and carrying a clock-wise current I. a) Apply the right-hand rule and find the direction of the magnetic moment vector, p. b) Derive an expression for the magnitude of the torque on the loop. y F X Figure 4: A wire ring in an external magnetic field
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Transcribed Image Text:Question A7
A wire ring of radius a, is placed in an external uniform magnetic field as shown in figure
B = B₂₁+ B₂)
where B < 0 and By < 0, and carrying a clock-wise current I.
a) Apply the right-hand rule and find the direction of the magnetic moment vector, μ.
b) Derive an expression for the magnitude of the torque on the loop.
y
9₂
x
Figure 4: A wire ring in an external magnetic field
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