An electron travelloing with a velocity `bar(V)=10^(7) hat(i)m//s` enter a magnetic field of induction `bar(B)=bar(2j)`. The force on electron is

An electron travelling with a velocity vecV = 10^7 hati m//s enter a magnetic field of induction vecB = vec2J The force on electron is

A bar magnet of moment bar(M) is in a magnetic field of induction bar(B) . Then the couple is

An electron moves with velocity vec(v) = ak In a magnetic field of intensity vec(B) = b hat(i) + c hat(j) . Find the magnetic force on the electron.

An electron moving with a velocity V_(1)=hat im/s at a point in a magnetic field experiences a force bar(F)= (-ehat j) Newton where 'e' is the charge of the electron.If the electron moves with a velocity bar(V)_(2)=2 hat k m/s at the same point the force experienced by it is

An electron moving with a velocity V_(1)=hat im/s at a point in a magnetic field experiences a force bar(F)=(-ehat j) Newton where 'e' is the charge of the electron.If the electron moves with a velocity bar(V)_(2)=2hat km/s at the same point the force experienced by it is

An electron moves with a velocity vec = (3 xx 10^6 hat i +4 xx 10^(+6) hat j) m/s through a magnetic field of strength B= (0.03 hat(i) + 0.15 hat (j)) T. Calculate the force on the electron.

A "bar" magnet of moment bar(M)=hat(i)+hat(j) is placed in a magnetic field induction vec(B)=3hat(i)+4hat(j)+4hat(k) . The torque acting on the magnet is

A "bar" magnet of moment vec(M)=hat(i)+hat(j) is placed in a magnetic field induction vec(B)=3hat(i)+4hat(j)+4hat(k) . The torque acting on the magnet is

An electron enters an electric field having intensity vec(E )= (3 hat(i) + 6hat(j) +2 hat(k)) Vm^(-1) and magnetic field having induction vec(B)= (2 hat(i) + 3hat(j)) T with a velocity vec(V)= (2 hat(i) + 3hat(j)) ms^(-1) . The magnitude of the force acting on the electron is (Given e= -1.6 xx 10^(-19)C )