What is shape of magnet in moving coil galvanometer to make the radial magnetic field
  • A
    Concave
  • B
    Horse shoe magnet
  • C
    Convex
  • D
    None of these
Easy
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
    Two long wires are hanging freely. They are joined first in parallel and then in series and then are connected with a battery. In both cases, which type of force acts between the two wires
    View Solution
  • 2
    A thin circular disk of radius $R$ is uniformly charged with density $\sigma>0$ per unit area. The disk rotates about its axis with a uniform angular speed $\omega$. The magnetic moment of die disk is
    View Solution
  • 3
    A long solenoid has $200$ turns per cm and carries a current of $2.5\, amps$. The magnetic field at its centre is $({\mu _0} = 4\pi \times {10^{ - 7}}\,weber/amp{\rm{ - }}m)$
    View Solution
  • 4
    An elastic circular wire of length $l$ carries a current $I$. It is placed in a uniform magnetic field $\mathop B\limits^ \to $ (Out of paper) such that its plane is perpendicular to the direction of $\mathop B\limits^ \to $. The wire will experience
    View Solution
  • 5
    Cyclotron is used to accelerate
    View Solution
  • 6
    A portion of a conductive wire is bent in the form of a semicircle of radius $r$ as shown below in fig. At the centre of semicircle, the magnetic induction will be
    View Solution
  • 7
    A galvanometer has $30$ divisions and a sensitivity $16\,\mu A/{\rm{div}}{\rm{.}}$ It can be converted into a voltmeter to read $3\, V$ by connecting
    View Solution
  • 8
    Which of the following particle will experience maximum acceleration when projected with same speed in transverse magnetic field
    View Solution
  • 9
    In a hydrogen atom, an electron of mass $m$ and charge $e$ revolves in an orbit of radius $r$ making $n$ revolutions per second. If the mass of hydrogen nucleus is $M$, the magnetic moment associated with the orbital motion of electron is
    View Solution
  • 10
    A galvanometer having a coil resistance of $30\,\Omega $ shows full scale deflection when a current of $2\,A$ passes through it. It can be converted into an ammeter to read currents upto $10\,A$ by
    View Solution