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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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9 years ago
What is the radius of a tightly wound solenoid of circular cross-section that has  180 turns if a change in its internal magnetic field of 3.0 T/s causes a 3.0 A current to flow? The resistance of the circuit that contains the solenoid is 12  The only emf source for the circuit is the induced emf. 
A) 0.15 m 
B) 0.012 m 
C) 0.19 m 
D) 0.036 m 
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padrepadre
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9 years ago
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mikael Author
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9 years ago
Thanks for the homework assistance, my physics class is a big challenge.
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