An electron emitted by a heated cathode and accelerated through a potential difference of 2.0 kV, enters a region with uniform magnetic field of 0.15 T. Determine the trajectory of the electron if the field
makes an angle of `30^@` with the initial velocity .

An electron emitted by a heated cathode and accelerated through a potential difference of 2.0 kV, enters a region with uniform magnetic field of 0.15 T. Determine the trajectory of the electron if the field is transverse to its initial velocity .

A particle of mass m and charge q is accelerated through a potential differece V to a velocity vecv towards south. The particle enters a region with both a magnetic field vecB (pointing eastwards) and electric field vecE (pointing downwards). The particle travels with a constant velocity through this region. The potential difference V through this region should be equal to

If the solenoid in the previous question is free to turn about the vertical direction and a uniform horizontal magnetic field of 0.25 T is applied, what is the magnitude of torque on the solenoid when its axis makes an angle of 30^@ with the direction of applied field?

A proton enters a magnetic field of flux density 2.0 weber/m^2 with a velocity of 2 xx 10^7ms^1 at an angle of 30^@ with the field,the force on the proton will be

A charged particle moves with a velocity 3 xx 10^6 m//s at right angles to a uniform magnetic field of induction 0.005T. Find the magnitude of the charge if the particle experience a force of 2 xx 10^-2N .

A charged particle is in motion having initial velocity barV when it enter into a region of uniform magnetic field perpendicular to V. Because of the magnetic force the kinetic energy of the particle wil

A bar magnet of magnetic moment 1.5 J T^-1 lies aligned with the direction of a uniform magnetic field of 0.22 T. What is the torque on the magnet in cases (i) normal to the field direction , ii) opposite to the field direction ?

A straight wire of length 0.5 m carrying a current of 1.6 ampere is placed in a uniform magnetic field of induction 2 T. If the magnetic field is perendicular to the length of the wire, then force on the wire is

A charged particle moves with velocity of 3 xx 10^6 m//s at right angle to a uniform field of magnetic field 0.005 T. Find the value of the charge on the particle if it experience a force of 2 xx 10^-2 N .

A recantagular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in unifrom magnetic field of srenght 0.2 Weber//m^(2) . The coil carres a current of 2 A. If the plane of the coil is inclined at an angl,e of 30^(@) with the direction of the feld the torque required to keep the coil in stable equilibrium will be