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A solenoid ring with N = 3 loops is immersed in a
uniform time-varying magnetic field (shown in the figure) whose
strength is given by B = (1/4) sin(t/2) [T], where t is in seconds. If the
radius of the loop is r = 2[m], what is the maximum magnitude of the
EMF in the loop? At what time is the magnitude of the EMF at half its
X X X X X
X /X x x\x
X x X x K
max value?
x \x x x/x
A. 1 [V], 67 [s]
А.
X X X X
В. 4п [V],
[s]
2
С. бп [V],
[s]
3
D. 3n [V], – [s]

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