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A long solenoid of length 8m with a cross-sectional area of 5.0x10 -5 m2 contains a total of 52,000 turns.

A long solenoid of length 8m with a cross-sectional area of
5.0x10 -5 m2 contains a total of 52,000 turns.
A) Calculate the self-inductance of the solenoid, assuming that the
core of the solenoid is air.
B) If the current in the winding starts at 0 A and is increased
steadily to 1.5 A in a time of 0.20 sec, what is the EMF induced
in the solenoid?

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