Force on current carrying loop (Radius $= R$ ) in uniform magnetic $(B)$ field which is at an angle $30^{\circ}$ with the normal will be
  • A
    zero
  • B$2 \pi RiB$
  • C$2 \sqrt{3} \pi RiB$
  • D$\pi RiB$
AIIMS 2019, Medium
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
    A long straight wire carries a current of $\pi \,amp.$ The magnetic field due to it will be $5 \times {10^{ - 5}}{\rm{ }}\,weber/{m^{\rm{2}}}$ at what distance from the wire $[{\mu _o} = $ permeability of air]
    View Solution
  • 2
    Two parallel wires situated at a distance $2a$ are carrying equal currents $‘i’$ in opposite direction as shown in figure. The value of magnetic filed at a point $P$ situated at equal distances from both the wires will be
    View Solution
  • 3
    A square current carrying loop is suspended in a uniform magnetic field acting in the plane of the loop. If the force on one arm of the loop is $\overrightarrow F$ the net force on the remaining three arms of  the loop is
    View Solution
  • 4
    A long straight wire of radius $a$ carries a steady current $I.$ The current is uniformly distributed over its cross-section. The ratio of  the magnetic fields $B$ and $B',$ at radial distances $\frac{a}{2}$ and $2a$ respectively, from the axis of the wire is 
    View Solution
  • 5
    A moving coil sensitive galvanometer gives at once much more deflection. To control its speed of deflection
    View Solution
  • 6
    A loop carrying current $I$ lies in the $x$-y plane as shown in the figure. the unit vector $\hat{ k }$ is coming out of the plane of the paper. the magnetic moment of the current loop is :
    View Solution
  • 7
    In an ammeter $0.2\%$ of main current passes through the galvanometer. If resistance of galvanometer is $G,$ the resistance of ammeter will be
    View Solution
  • 8
    A wire carrying $I$ is shaped as shown. Section $AB$ is a quarter circle of radius $r.$ The magnetic field at $C$ is directed
    View Solution
  • 9
    In the figure, what is the magnetic field at the point $O$
    View Solution
  • 10
    In the circuit, shown the galvanometer $G$ of resistance $60\, \Omega$ is shunted by a resistance $r=0.02\, \Omega$. The current through $R$ (in $ohm$) is nearly $1\, A$. The value of resistance $R$ (in $ohm$) is nearly (in $\Omega$)
    View Solution