In Fig. 30-38, the magnetic flux ! (4.00 $ through the
Chapter , Problem 7(choose chapter or problem)
In Fig. 30-38, the magnetic flux ! (4.00 $ through the loop increases according to the relation 0B ! 6.0t 2 & 7.0t, where 0B is in milliwebers and t is in seconds. (a) What is the magnitude of the emf induced in the loop when t 2.0 s? (b) Is the direction of the current through R to the right or left?
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