MCQ
A metallic loop is placed in a magnetic field. If a current is passed through it, then
  • A
    The ring will feel a force of attraction
  • B
    The ring will feel a force of repulsion
  • C
    It will move to and fro about its centre of gravity
  • None of these

Answer

Correct option: D.
None of these
d
(d)

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

The length of a wire is $1.0\, m$ and the area of cross-section is $1.0 \times {10^{ - 2}}\,c{m^2}$. If the work done for increase in length by $0.2\, cm$ is $0.4\, joule$, then Young's modulus of the material of the wire is
A capillary tube of radius $R$ is immersed in water and water rises in it to a height $H$. Mass of water in the capillary tube is $M$. If the radius of the tube is halved, mass of water that will rise in the capillary tube will now be
A galvanometer coil of resistance $50 \,\Omega$, show full deflection of $100\,\mu A$. The shunt resistance to be added to the galvanometer, to work as an ammeter of range $10\, mA$ is
In $SI$, Henry is the unit of
The magnetic field in a plane electromagnetic wave is given by, $B_{y}=2 \times 10^{-7} \sin \left(\pi \times 10^{3} x+3 \pi \times 10^{11} t\right) \;T$ Calculate the wavelength.
In a potentiometer arrangement, a cell of $emf$ $1.25\,V$ gives a balance point at $35.0\,cm$ length of the wire. If the cell is replaced by another cell and the balance point shifts to $63.0\,cm,$ the $emf$ of the second cell ............... $V$
The power of water pump is $4 \,kW$. If $g=10 \,ms ^{-2}$, the amount of water it can raise in $1$ minute to a height of $20 \,m$ is ........... $litre$
A container of volume $1{m^3}$is divided into two equal compartments by a partition. One of these compartments contains an ideal gas at $300 K$. The other compartment is vacuum. The whole system is thermally isolated from its surroundings. The partition is removed and the gas expands to occupy the whole volume of the container. Its temperature now would be ..... $K$
A solid uniform sphere having a mass $M$, radius $R$ and moment of inertia of $\frac{2}{5} M R^2$ rolls down a plane inclined at an angle $\theta$ to the horizontal starting from rest. The coefficient of static friction between the sphere and the plane is $\mu_s$. Then,
In the electric field of a point charge $q$, a certain charge is carried from point $A$ to $B, C, D$ and $E$. Then the work done