A certain elastic conducting material is stretched into a circular loop of 3.6 cm radius. It is placed with its plane perpendicular to a uniform 0.6 T magnetic field. When released, the radius of the loop starts to shrink at an instantaneous rate of 75.0cm/s. What emf is induced in the loop at that instant in units of V? Your Answer:
A certain elastic conducting material is stretched into a circular loop of 3.6 cm radius. It is placed with its plane perpendicular to a uniform 0.6 T magnetic field. When released, the radius of the loop starts to shrink at an instantaneous rate of 75.0cm/s. What emf is induced in the loop at that instant in units of V? Your Answer:
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Transcribed Image Text:A certain elastic conducting material is stretched into a circular loop of 3.6 cm radius.
It is placed with its plane perpendicular to a uniform 0.6 T magnetic field. When
released, the radius of the loop starts to shrink at an instantaneous rate of
75.0cm/s. What emf is induced in the loop at that instant in units of V?
Your Answer:
Answer
n Fig. a, a circular loop of wire is concentric with a solenoid and lies in a plane
perpendicular to the solenoid's central axis. The loop has radius 6.00cm. The
solenoid has radius 3.1 cm, consists of 8000 turns/m, and has a current i sol varying
with time t as given in Fig. b, where the vertical axis scale is set by is = 1.00A
and the horizontal axis scale is set by ts = 2.0s. Figure C shows, as a function of
time, the energy Eththat is transferred to thermal energy of the loop; the vertical axis
scale is set by Es = 100.0nJ. What the loop's resistance in units of m?
(a)
b(A)
Nº₁
(6)
Ea (nl)
0
(c)
t(s)
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