MCQ
Inductive reactance of a coil is expressed in.
  • A
    Amphere
  • Ohm
  • C
    Volt
  • D
    Weber

Answer

Correct option: B.
Ohm

Inductive reactance or capacitive reactance are the impedance of an $AC$ circuit which has the units of ohms.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A bicycle wheel of radius $0.4\, m$ has $20$ spokes. It is rotating at the rate of $180$ revolution per minute, perpendicular to the horizontal component of earth's magnetic field of $0.4 \times 10^{-4}\, T$ . The $emf$ induced between the rim and the centre of the wheel will be
Magnetic field due to 0.1 A current flowing through a circular coil of radius 0.1 m and 1000 turns at the centre of the coil is
Which resistor is difficult to make of having a value less than about $2 \ Ohms?$
Statement$-I :$ By doping silicon semiconductor with pentavalent material, the electrons density increases.

Statement$-II :$ The $n-$type semiconductor has net negative charge.

In the light of the above statements, choose the most appropriate answer from the options given below:

A potential difference of $300\, volts$ is applied to a combination of $2.0\,\mu F$ and $8.0\,\mu F$ capacitors connected in series. The charge on the $2.0\,\mu F$ capacitor is
A particular hydrogen - like ion emits the radiation of frequency $3 \times 10^{15} \mathrm{~Hz}$ when it makes transition from $n=2$ to $n=1$. The frequency of radiation emitted in transition from $n=3$ to $n=1$ is $\frac{x}{9} \times 10^{15} \mathrm{~Hz}$, when X=_____.
For a transistor amplifier power gain and voltage gain are $7.5$ and $2.5$ respectively. The value of the current gain will be
In the circuit shown in figure, four capacitors are connected to a battery. A capacitor is connected to a battery. The force of attraction between the plates when the separation between them is halved
The electric field near a conducting surface having a uniform surface charge density $\sigma $ is given by
When a ray is refracted from one medium to another, the wavelength changes from $6000 \,Å$ to $4000\, Å$. The critical angle for the interface will be