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# Inductance of a Solenoid

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A long solenoid of length 8m with a cross-sectional area of 5.0x10^-5 m^2 contains 52,000 turns.

1) Find the self-inductance of the solenoid, assuming that the core is air.

2) 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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#### Solution Preview

Please find it in the word file 'Solenoid_L+EMF_problem.doc', attached herewith.

Wishing you all the best.

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

1) Find the self-inductance of the solenoid, assuming that the core is air.

2) 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?

Solution:

Concept of inductance:
With the passage of the current through the solenoid, the magnetic field is produced in the solenoid. ...

#### Solution Summary

A detailed explanation of the concept of inductance, as well as the derivation of the formula for the inductance of a solenoid. Attached as Word.

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