Self-Inductance of a Long Solenoid

A coil of wire of radius $r$ has $600$ turns and a self-inductance of $108 \mathrm{mH}$. The self inductance of a similar coil of $500$ turns will be

A long solenoid has $1000$ turns. When a current of $4A$ flows through it, the magnetic flux linked with each turn of the solenoid is $4\times {10}^{-3}$ Wb. The self-inductance of the solenoid is

Wires are wound on a soft iron rod of length $0.1 \mathrm{m}$ and radius $0.01 \mathrm{m}$, to form a coil. If relative permeability of soft iron is $1200$ then find out number of turns in coil. Self inductance of coil $0.25 \mathrm{H}$.

What is the self-inductance of a coil in which an induced emf of $2 \mathrm{V}$ is set up, when the current is changing at the rate of $4 \mathrm{A} {\mathrm{s}}^{-1}$

What is the self inductance of a solenoid of length $31.4 \mathrm{cm}$, area of cross-section ${10}^{-3 } {\mathrm{m}}^2$ and total number of turns ${10}^3$?

Magnetic flux of $5 \mathrm{\mu }\text{Wb}$ is linked with a coil, when a current of $1 \mathrm{mA}$ flows through it. What is the self inductance of the coil?

Calculate the self-inductance of an air-cored solenoid of length $80 \mathrm{cm}$ having $500$ turns, and its circular cross-section has a diameter of $2 \mathrm{cm}$.

Calculate the self inductance of the air cored solenoid of length 80 cm and has 500 turns and its circular cross-section has diameter of 2cm