One end of a plastic pipe is capped and the other end is open. The pipe stands o

Question

One end of a plastic pipe is capped and the other end is open. The pipe stands on the capped end in a magnetic field of 0.850 T that is aligned vertically. The magnetic flux through the plastic of the pipe is -6.7*10^-3 Wb. What is the inside diameter of the pipe?

a) 9.5 cm

b) 7.2 cm

c) 10 cm

d) 2.8 cm

A circle of radius 0.45 m is placed in a uniform magnetic field of strength of 0.94 T. The circle is then rotated in 3 dimensions, so that the angle theta between the normal line to the circle and the magnetic field varies between 0 and 90 degrees. At what angle theta is the magnetic flux through the circle equal to 0.54 Wb?

a) 47 degrees

b) 35 degrees

c) 25 degrees

d) 20 degrees

Explanation / Answer

1)d

2)c

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