elvishwitchxyp
2021-12-17
Answered

What is the perimeter of semicircle if $\pi =3,142$ and $d=10$

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A circular loop of flexible iron wire has an initial circumference of 165.0 cm, but its circumference is decreasing at a

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constant rate of 12.0 cm/s due to a tangential pull on the wire. The loop is in a constant, uniform magnetic field oriented

perpendicular to the plane of the loop and with magnitude 0.500 T.

(a) Find the emf induced in the loop at the instant when 90 s have passed.

(b) Find the direction of the induced current in the loop as viewed looking along the direction of the magnetic field.

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