Magnetic dipole moment of a rectangular loop is - Vidyadip

MCQ

Magnetic dipole moment of a rectangular loop is

A
Inversely proportional to current in loop
B
Inversely proportional to area of loop
C
Parallel to plane of loop and proportional to area of loop
✓
Perpendicular to plane of loop and proportional to area of loop

✓

Answer

Correct option: D.

Perpendicular to plane of loop and proportional to area of loop

d
(d) $M = NiA$

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

Explore more

More "M.C.Q (1 Marks)" from 4. Moving charges and magnetism→4. Moving charges and magnetism — all question types→Physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

The ratio of kinetic energy to the total energy of an electron in a Bohr orbit of the hydrogen atom is:

All the six capacitors shown in the circuit are identical. Each can withstand maximum $200\, volt$ between its terminals. The maximum voltage that can be applied safely between $A$ and $B$ is.....$V$

Electromagnetic waves are produced by:

Which of the following statements is incorrect about hysteresis

Assertion : Self-inductance is called the inertia of electricity.
Reason : Self-inductance is the phenomenon, according to which an opposing induced e.m.f. is produced in a coil as a result of change in current or magnetic flux linked in the coil.

A parallel - plate capacitor with plate area $A$ has separation $d$ between the plates. Two dielectric slabs of dielectric constant ${K}_{1}$ and ${K}_{2}$ of same area $\frac A2$ and thickness $\frac d2$ are inserted in the space between the plates. The capacitance of the capacitor will be given by :

Assertion : The refractive index of diamond is $\sqrt 6$ and that of liquid is $\sqrt 3$ . If the light travels from diamond to the liquid, it will totally reflected when the angle of incidence is $30^o$.

Reason : $\mu = \frac{1}{{\sin \,C}}$ , where $\mu $ is the refractive index of diamond with respect to liquid

$A$ and $C$ are concentric conducting spherical shells of radius $a$ and $c$ respectively. $A$ is surrounded by a concentric dielectric of inner radius $a$, outer radius $b$ and dielectric constant $k$. If sphere $A$ is given a charge $Q$, the potential at the outer surface of the dielectric is.

The intensity of the electric field required to keep a water drop of radius ${10^{ - 5}}\, cm$ just suspended in air when charged with one electron is approximately

A radioactive sample decays by $\beta$ -emission. In first two seconds $‘n’$ $\beta$ -particles are emitted and in next $2\ seconds$ , $‘0.25n’$ $\beta$ -particles are emitted. The half life of radioactive nuclei is ...... $sec$