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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