The current passing through a 0.40-H coil increases from 2.0-A ti 10.0-A in 0.12 s. (a) Calculate the voltage induced in the coil. (b) If the current then decreases to 8.0-A in the next 0.020 s, what is the induced emf? Is its polarity the same as in part (a)?
The current passing through a 0.40-H coil increases from 2.0-A ti 10.0-A in 0.12 s. (a) Calculate the voltage induced in the coil. (b) If the current then decreases to 8.0-A in the next 0.020 s, what is the induced emf? Is its polarity the same as in part (a)?
Chapter14: Inductance
Section: Chapter Questions
Problem 28P: When the current in one coi1 changes at a rate of 5.6 A/s an emf of 6.3 × 10-3 is induced in a...
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The current passing through a 0.40-H coil increases from 2.0-A ti 10.0-A in 0.12 s. (a) Calculate the voltage induced in the coil. (b) If the current then decreases to 8.0-A in the next 0.020 s, what is the induced emf? Is its polarity the same as in part (a)?
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