Find how many turns per unit length should it have

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Reference no: EM13518265

A solenoid is to have an inductance of 0.274 mH, a cross-sectional area of 5.73 10-4 m2, and a length of 37.9 cm.

(a) How many turns per unit length should it have?

turns/m

(b) If the self-induced emf is -11.7 mV at a given time, at what rate is the current changing at that instant?

= A/s

Reference no: EM13518265

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