The electrostatic force $\left(\vec{F}_1\right)$ and magnetic force $\left(\vec{F}_2\right)$ acting on a charge $q$ moving with velocity $v$ can be written :
JEE MAIN 2024, Diffcult
Download our app for free and get startedPlay store
$\overrightarrow{\mathrm{F}}_1=\mathrm{q} \overrightarrow{\mathrm{E}} \quad \text { (Theory) }$

$\overrightarrow{\mathrm{F}}_2=\mathrm{q}(\overrightarrow{\mathrm{V}} \times \overrightarrow{\mathrm{B}})$

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
    This questions has Statement $I$ and Statement $II$ Of the four choices given after the Statements, choose the one that best describes into two Statements.
    Statement$-I$ : Higher the range, greater is the resistance of ameter.
    Statement$-II$ : To increase the range of ammeter, additional shunt needs to be used across it.
    View Solution
  • 2
    In an ionised sodium atom, an electron is moving in a circular path of radius $r$ with angular velocity $\omega $. The magnetic induction in $wb/m^2$ produced at the nucleus will be
    View Solution
  • 3
    The figure shows a region of length $'l'$ with a uniform magnetic field of $0.3\, T$ in it and a proton entering the region with velocity $4 \times 10^{5}\, ms ^{-1}$ making an angle $60^{\circ}$ with the field. If the proton completes $10$ revolution by the time it cross the region shown, $l$ is close to....... $m$

    (mass of proton $=1.67 \times 10^{-27} \,kg ,$ charge of the proton $\left.=1.6 \times 10^{-19}\, C \right)$

    View Solution
  • 4
    A current carrying long solenoid is placed on the ground with its axis vertical. A proton is falling along the axis of the solenoid with a velocity $v$. When the proton enters into the solenoid, it will
    View Solution
  • 5
    Under the influence of a uniform magnetic field a charged particle is moving in a circle of radius $R$ with constant speed $v$. The time period of the motion
    View Solution
  • 6
    Two long and parallel straight wires $A$ and $B$ carrying currents of $8.0\, A$ and $5.0\, A$ in the same direction are separated by a distance of $4.0\, cm$. Estimate the force on a $10\, cm$ section of wire $A$
    View Solution
  • 7
    Assertion : Cyclotron does not accelerate electron.

    Reason : Mass of the electrons is very small

    View Solution
  • 8
    A particle of charge $q$ and mass $m$ moving with a velocity $v$ along the $x$-axis enters the region $x > 0$ with uniform magnetic field $B$ along the $\hat k$ direction. The particle will penetrate in this region in the $x$-direction upto a distance $d$ equal to
    View Solution
  • 9
    A shunt of resistance $1\,\Omega $ is connected across a galvanometer of $120\,\Omega $ resistance. A current of $5.5\, ampere$ gives full scale deflection in the galvanometer. The current that will give full scale deflection in the absence of the shunt is nearly ............... $ampere$
    View Solution
  • 10
    The magnetic field at the centre of an equilateral triangular loop of side $2\,L$ and carrying a current $i$ is
    View Solution