Calculate the force acting on an electron moving with a velocity `(3hati+3hatj)m.s^(-1)` in a magnetic field of strength `(2hatj+3hatk)` tesla.

A charge q moves with a velocity 2m//s along x- axis in a unifrom magnetic field B=(hati+2hatj+3hatk) tesla.

A charge q moves with a velocity 2m//s along x- axis in a unifrom magnetic field B=(hati+2hatj+3hatk) tesla.

If velocity of an electron is (2 hati + 3hatj) ms^(-1) and it enters in the magnetic field of 4 hatkT , then

A Charge of 3 C is moving with velocity vecv = (4hati + 3hatj) ms^-1 in a magnetic field vecB = (4hati + 3hatj) Wb m^-2 . Find the force acting on the test charge

A electron is moving with a velocity vecv=(hati+2hatj)m.s^(-1) in the magnetic field vecB=(2hati+2hatj)Wb.m^(-2) . Determine the magnitude and direction of the force acting on the electron. Charge of an electron is -1.6xx10^(-19)C.

A conducting rod of length 1m aligned along the unit vector ((3)/(5)hatj+(4)/(5)hatj ), is moving with a velocity vecv=(2hati)m//s . The motion take place in a uniform magnetic field vecB=(hatj-2hatk) tesla. Find the magnitude of induced emf in across the rod in volt.

An engine exerts a force F=(20hati-3hatj+5hatk) N and moves with velocity v=(6hati+20hatj-3hatk) ms^(-1) . The power of the engine (in watt) is