67. Figure P31.67 shows a stationary conductor whose magnetic field of 0.500T directed out of the page. is similar to the letter e. The radius of its circu- shape lar 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 Oa²/2. (b) If all the conducting material has a resistance per length of 5.00 2/m, what is the induced current in the loop POQ at the instant 0.250 s after point P passes point Q? This rod rotates about O. P Bout

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.