Gauss is unit of which quantity
Easy
Download our app for free and get startedPlay store
(b) $B$ represents the magnetic field.
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
    The cyclotron frequency of an electron grating in a magnetic field of $1\, T$ is approximately
    View Solution
  • 2
    The relation between voltage sensitivity (${\sigma _V}$) and current sensitivity $({\sigma _i})$ of a moving coil galvanometer is (Resistance of Galvanometer = $G$)
    View Solution
  • 3
    A rectangular loop of wire, supporting a  mass $m$, hangs with one end in a uniform magnetic field $\vec B$  pointing into the plane of the paper. $A$ clockwise current is set up such that  $i> mg/Ba,$ where $a$ is the width of the loop. Then
    View Solution
  • 4
    If induction of magnetic field at a point is $B$ and energy density is $U$ then which of the following graphs is correct
    View Solution
  • 5
    An electron, moving along the $x-$ axis with an initial energy of $100\, eV$, enters a region of magnetic field $\vec B = (1.5\times10^{-3}T)\hat k$ at $S$ (See figure). The field extends between $x = 0$ and $x = 2\, cm$. The electron is detected at the point $Q$ on a screen placed $8\, cm$ away from the point $S$. The distance $d$ between $P$ and $Q$ (on the screen) is :......$cm$ (electron's charge $= 1.6\times10^{-19}\, C$, mass of electron $= 9.1\times10^{-31}\, kg$)
    View Solution
  • 6
    In the given figure, the electron enters into the magnetic field. It deflects in ...... direction
    View Solution
  • 7
    A wire carrying a current $i$ is placed in a uniform magnetic field in the form of the curve $y = a\sin \,\left( {\frac{{\pi x}}{L}} \right)\,0 \le x \le 2L.$ The force acting on the wire is
    View Solution
  • 8
    A $2 \mathrm{~A}$ current carrying straight metal wire of resistance $1 \Omega$, resistivity $2 \times 10^{-6} \Omega \mathrm{m}$, area of cross-section $10 \mathrm{~mm}^2$ and mass $500 \mathrm{~g}$ is suspended horizontally in mid air by applying a uniform magnetic field $\vec{B}$. The magnitude of $B$ is__________.$\times 10^{-1} \mathrm{~T}\left(\right.$ given, $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2$ )
    View Solution
  • 9
    When a charged particle enters a uniform magnetic field its kinetic energy
    View Solution
  • 10
    An infinitely long wire, located on the $z$-axis, carries a current $/$ along the $+z$-direction and produces the magnetic field $\vec{B}$. The magnitude of the line integral $\int \vec{B} \cdot d l$ along a straight line from the point $(-\sqrt{3} a, a, 0)$ to $(a, a, 0)$ is given by [ $\mu_0$ is the magnetic permeability of free space.]
    View Solution