Download App
In given diagram, two current carrying circular loop of radius $R$ and $2R$ are arranged in $YZ-$ plane and $XZ-$ plane respectively. Common centre of both are at origin $O$. Then what will be angle of resultant magnetic field from $X-$ axis.
  • A${\tan ^{ - 1}}\left( 2 \right)$
  • B${\sin ^{ - 1}}\left( {\frac{1}{{\sqrt 5 }}} \right)$
  • C${\cos ^{ - 1}}\left( {\frac{1}{{\sqrt 5 }}} \right)$
  • D${\sin ^{ - 1}}\left( {\frac{2}{{\sqrt 5 }}} \right)$
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.*
Download App

Similar Questions

  • 1
    A uniform magnetic field $B$ and a uniform electric field $E$ act in a common region. An electron is entering this region of space. The correct arrangement for it to escape undeviated is
    View Solution
  • 2
    A long solenoid has $n$ turns per meter and current $I\, A$ is flowing through it. The magnetic field at the ends of the solenoid is
    View Solution
  • 3
    A charged particle projected in a limited magnetic field according to figure. The charged  particle does not strike to the opposite plate provided
    View Solution
  • 4
    The magnetic field at the centre of coil of $n$ $turns$, bent in the form of a square of side $2l$ , carrying current $i$, is
    View Solution
  • 5
    A collimated beam of charged and uncharged particles is directed towards a hole marked $P$ on a screen as shown below. If the electric and magnetic fields as indicated below are turned $ON$
    View Solution
  • 6
    To convert a $800\, mV$ range milli voltmeter of resistance $40 \,\Omega$ into a galvanometer of $100\, mA$ range, the resistance to be connected as shunt is .............. $\Omega $
    View Solution
  • 7
    A circular loop of radius $R$ carries a current $I$. Another circular loop of radius $r(< < R) $ carries a current $i$ and is placed at the centre of the larger loop. The planes of the two circles are at right angle to each other. Find the torque acting on the smaller loop. 
    View Solution
  • 8
    A thin wire of length $l$ is carrying a constant current. The wire is bent to form a circular coil. If radius of the coil, thus formed, is equal to $R$ and number of turns in it is equal to $n$, then which of the following graphs represent $(s)$ variation of magnetic field induction $(b)$ at centre of the coil
    View Solution
  • 9
    Which one of the following modifications may ncrease the sensitivity of moving coil galvanometer?

    $1^{st}$ Way : By using spring of smaller torsion constant.
    $2^{nd}$ Way : By using a smaller coil
    $3^{rd}$ Way : By using a stronger magnet
    $4^{th}$ Way : By using a coil having fewer number of turns.

    View Solution
  • 10
    Two similar coils of radius $R$ are lying concentrically with their planes at right angles to each other. The currents flowing in them are $I$ and $2I$, respectively. The resultant magnetic field induction at the centre will be 
    View Solution