What is the radius of the circular path of an electron moving at a speed of `3 x 10^7 m/s` in a magnetic field of `6x 10^(-4) T` perpendicular to it?

What is the radius of the path of an electron (mass 9 xx 10^(-31)kg and q= 1.6 xx 10^(-19)C) moving at a speed of 3 xx 10^(7) ms^(-1) in a magnetic field of 6 xx 10^(-4)T perpendicular to it? What is the frequency? Calculate energy in Kev (1eV = 1.6 xx 10^(-19)J)

Calculate the magnitude of the force acting on an electron moving with a velocity of 3 xx 10^(7) ms^(-1) at right angles to a magnetic field of 10T.

An electron moving with a velocity of 4.5 xx 10^(7)m/s enters a magnetic field of 2.5 T at an angle of 30^(o) calculate the force on the electron.

A particle of mass 6.65 x 10^(-27) kg having positive charge equal to two times of electron, moves with a speed of 6x109 m/s in a direction perpendicular to that of a given magnetic field of flux density 0.4 we ber/m2 Find the acceleration of the particle.

An alpha particle moves along a circular path of radius 1.0 xx 10^(-10)m with a uniform speed of 2 xx 10^(6) m/s calculate the magnetic field produced at the centre of orbit.

An electron after being accelerated through a potential difference of 10^(4)V enters a uniform magnetic field of 0.04 T perpendicular to its direction of motion. Calculate the radius of curvature of its trajectory