29.20: a) ) m 50 . 1 )( T 750 .0 )( s m0 . 5 ( = = vBl ε V 6 . 5 = b) (i) Let q be a positive charge in the moving bar. The magnetic force on this charge , B v F × = q which points upward . This force pushes the current in a counterclockwise direction through the circuit. (ii) The flux through the circuit is increasing, so the induced current must cause a
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