Question: Figure P31.68 shows a stationary conductor whose shape is similar to the letter e. The radius of its circular portion is a = 50.0 cm.

Figure P31.68 shows a stationary conductor whose shape is similar to the letter e. The radius of its circular portion is a = 50.0 cm. It is placed in a constant magnetic field of 0.500 T directed out of the page. A straight conducting rod, 50.0 cm long, is pivoted about point O and rotates with a constant angular speed of 2.00 rad/s.
(a) Determine the induced emf in the loop POQ. Note that the area of the loop is θa2/2.
(b) If all of the conducting material has a resistance per length of 5.00 (/m, what is the induced current in the loop POQ at the instant 0.250 s after point P passes point Q?

Figure P31.68 shows a stationary

The oing straight rod .a OHE.

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