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March 24, 2017

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The rotating loop in an AC generator is a square 11.0 cm on a side. It is rotated at 60.0 Hz in a uniform field of 0.800 T. Calculate the following quantities as functions of time t, where t is in seconds.
(a) the flux through the loop
mT·m2

(b) the emf induced in the loop
V

(c) the current induced in the loop for a loop resistance of 2.00 Ω
A

(d) the power delivered to the loop
W

(e) the torque that must be exerted to rotate the loop
mN·m

  • PHYSICSI - ,

    fdf

  • PHYSICSI - ,

    a) ABcos(wt)=(.11*.11)(.8)cos(2*pi*60t)
    =.00968cos(377t)
    b) ABwsin(wt)=(.11*.11)(.8)(2*pi*60)sin(2*pi*60t)=3.65sin(377t)
    c) (ABw/R)sin(wt)=((.11*.11)(.8)(2*pi*60)/2)sin(2*pi*60t)=1.82sin(377t)
    d)((ABw)^2/R)(sin(wt))^2=(((.11*.11)(.8)(2*pi*60))^2/2)(sin(2*pi*60t))^2=6.66sin(377t)
    e)(A^2B^2w/R)(sin(wt))^2=(((.11*.11)(.8))^2*(2*pi*60)/2)(sin(2*pi*60t))^2=17.6sin(377t)

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