The inductance of a solenoid of mean diameter 1 cm , 1 m long, wound with 1000 turns of copper wire will be

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

The inductance of a solenoid of mean diameter

1 cm

,

1 m

long, wound with

1000

turns of copper wire will be

PhysicsElectromagnetic InductionNEET

Options:

A $0.1 mH$
B $0.2 mH$
C $0.3 mH$
D $0.4 mH$

Solution:

1260 Upvotes Verified Answer

The correct answer is:

0.1 mH

L = \frac{μ {AN}^{2}}{l} = \frac{4 π \times 1 0^{- 7} \times π / 4 \times 1 0^{- 4} \times 1 0^{6}}{1}

= π^{2} \times 1 0^{- 5} H = 0.1 mH

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play