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Please answer the following question and draw a picture to go along with it. When the...

Please answer the following question and draw a picture to go along with it.

When the current in a toroidal solenoid is changing at a rate of .0260 A/s, the magnitude of the induced emf is 12.6 mV. When the current equals 1.40 A, the average flux through each turn of the solenoid is .00285 Wb. How many turns does the solenoid have?

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