Inductance

Two coils have inductances L₁ = 1200 mH and L₂ = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductor is measured to be 2500 mH then Mutual inductor between the coils is ___________ mH.

The SI unit of coefficient of mutual induction is

The S.I. unit of self-inductance of a coil is 

The circuit arrangement given below shows that when A.C. passes through the coil $A$, the current starts flowing in coil $B$.

Mention the underlying principle involved.

A mutual inductor consists of two coils $X$ and $Y$ as shown in figure in which one-quarter of the magnetic flux produced by $X$ links with $Y$, giving a mutual inductance $M$. What will be the mutual inductance when $Y$ is used as the primary?

The SI unit of self-induction is:

An air-core solenoid has an inductance of$10$Henry. It is carrying a current of $100$ Ampere. The amount of energy stored in the magnetic field that is created by the current is

Which of the following is the electrical analogue of inertia?

Self-induction is called the :

Two coils of inductances $L_1$ and $L_2$ are linked such that their mutual inductance is $M$. Then

Two coils of inductances ${\mathrm{L}}_1$ and ${\mathrm{L}}_2$ are linked such that their mutual inductance is $M$. Then,

By inserting a soft iron piece into a solenoid, strength of the magnetic field

The current through a coil of self-inductance L=2mH is given by $i=t^2{e}^{-t}$ at time t. How long it will take to make the emf zero?

Write the energy density formula in the case of a magnetic field or inductor.

The physical quantity which is measured in the unit of $\mathrm{Wb} {\mathrm{A}}^{-1}$ is

In an electromagnetic wave, the average energy density associated with the magnetic field will be

Current flowing through a solenoid having inductance $2 \mathrm{mH}$ is $4 \mathrm{A}$. Find the energy stored in the solenoid.

Radii of two conducting circular loops are $b$ and $a$ respectively, where $b\gg a$. Centres of both loops coincide but planes of both loops are perpendicular to each other. The value of mutual inductance for these loops

What will be the self-inductance of a coil of $100$ turns if a current $5 \mathrm{A}$ produces a magnetic flux $5\times {10}^{-5}\mathrm{ }\mathrm{Wb}$?