Physics, asked by arunbhoi8269, 3 months ago

An iron cored solenoid has self inductance 2.8H when the core is removed

Answers

Answered by Divinemercy

0

Answer:

If Li initial inductance and La is inductance after removing the core :

Li=u0urn2AlLa=u0n2Al

2.82×10−3=LiLa=ur

ur=1.4×103=1400

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