Question

Match the following:
Column-I
(A) Capacitance
(B) Inductance
(C) Magnetic Induction

Column-II
(P) ohm-second
(q) coulomb2 (joule)-1
(r) columb $(volt)^{-1}$
(s) newton $(ampere metere)^{-1}$
(t) volt-second $(ampere)^{-1}$

Answer 1

Electromagnetic or magnetic induction is the production of an electromotive force (i.e., voltage) across an electrical conductor in a changing magnetic field.

Michael Faraday is generally credited with the discovery of induction in 1831, and James Clerk Maxwell mathematically described it as Faraday's law of induction. Lenz's law describes the direction of the induced field. Faraday's law was later generalized to become the Maxwell–Faraday equation, one of the four Maxwell equations in his theory of electromagnetism.

Electromagnetic induction has found many applications, including electrical components such as inductors and transformers, and devices such as electric motors and generators.

In electromagnetism and electronics, inductance describes the tendency of an electrical conductor, such as coil, to oppose a change in the electric current through it. The change in current induces a reverse electromotive force (voltage). When an electric current flows through a conductor, it creates a magnetic field around that conductor. A changing current, in turn, creates a changing magnetic field, the surface integral of which is known as magnetic flux. From Faraday's law of induction, any change in magnetic flux through a circuit induces an electromotive force (voltage) across that circuit, a phenomenon known as electromagnetic induction. Inductance, {\displaystyle L} L, is defined as the ratio between this induced voltage, {\displaystyle v} v, and the rate of change of the current {\displaystyle i(t)} i(t) in the circuit.[1]

{\displaystyle L:=-v\left({di \over dt}\right)^{\!-1}\;\;\Rightarrow \;\;v=-L{di \over dt}} {\displaystyle L:=-v\left({di \over dt}\right)^{\!-1}\;\;\Rightarrow \;\;v=-L{di \over dt}}

This proportionality factor L does not depend on electromagnetical quantities, but only on the geometric setting of the conductors and the material properties of the regions crossed by the fields. The voltage created is actually self-induced when the magnetic field of a current-carrying conductor acts back on the conductor itself. From Lenz's law, this induced voltage, or "back EMF", will be in a direction so as to oppose the change in current which created it. Thus, self-inductance measures the property of a specific geometric arrangement of a conductor which opposes any change in current through the conductor. An inductor is the electrical component which adds inductance to a circuit. It typically consists of a coil or helix of wire.

The term inductance was coined by Oliver Heaviside in 1886.[] It is customary to use the symbol {\displaystyle L} L for inductance, in honour of the physicist Heinrich Lenz.] In the SI system, the unit of inductance is the henry (H), which is the amount of inductance which causes a voltage of 1 volt when the current is changing at a rate of one ampere per second. It is named for Joseph Henry, who discovered inductance independently of Faraday.[

Answer 2

Capacitance =Coulomb²/(joule)

Magnetic induction=Newton/(ampere)/(meter)

Inductance=Volt_sec/(ampere)

Resistance=Volt/(ampere)