A conducting loop carrying a current $I$ is placed in a uniform magnetic field pointing into the plane of the paper as shown. The loop will have a tendency to
  • A
    Contract
  • B
    Expand
  • CMove towards $+ve$ $x$ -axis
  • DMove towards $-ve$ $x$-axis
IIT 2003, Diffcult
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    For full scale deflection of total $50$ divisions, $50\,{mV}$ voltage is required in galvanometer. The resistance of galvanometer if its current sensitivity is $2\, {div} / {mA}$ will be $.....\Omega$
    View Solution
  • 2
    A wire carrying current $I$ has the shape as shown in adjoining figure.Linear parts of the wire are very long and parallel to $X-$axis while semicircular portion of radius $R$ is lying in $Y-Z$ plane. Magnetic field at point $O$ is
    View Solution
  • 3
    An electron moving towards the east enters a magnetic field directed towards the north. The force on the electron will be directed
    View Solution
  • 4
    The deflection in moving coil galvanometer falls from $25$ divisions to $5$ division when a shunt of $24\  \Omega$ is applied. The resistance of galvanometer coil will be :
    View Solution
  • 5
    A charged particle moves along circular path in a uniform magnetic field in a cyclotron. The kinetic energy of the charged particle increases to $4$ times its initial value. What will be the ratio of new radius to the original radius of circular path of the charged particle
    View Solution
  • 6
    A conducting wire bent in the form of a parabola $y^2 = 2x$ carries a current $i = 2 A$ as shown in figure. This wire is placed in a uniform magnetic field $\vec B =  - 4\,\hat k$ $Tesla$. The magnetic force on the wire is (in newton)
    View Solution
  • 7
    Find magnetic field at $O$
    View Solution
  • 8
    The magnetic force acting on charged particle of charge $2\,\mu C$ in magnetic field of $2\, T$ acting in $y-$ direction , when the particle velocity is $\left( {2\hat i + 3\hat j} \right) \times {10^6}\,m{s^{ - 1}}$ is
    View Solution
  • 9
    A galvanometer of resistance $50\, \Omega$ is connected to a battery of $3\, V$ along with a resistance of $2950\, \Omega$ in series. A full scale deflection of $30$ divisions is obtained in the galvanometer. In order to reduce this deflection to $20$ divisions, the resistance in series should be.......$Ω$
    View Solution
  • 10
    An electron moves in a circular orbit with a uniform speed $v$. It produces a magnetic field $B$ at the centre of the circle. The radius of the circle is proportional to
    View Solution