what is lorenzt force?what is its equation?

Hello,

Lorenzt force is a combination of magnetic force and electric force created at a point in an electromagnetic field.

Formula for lorenzt force is :- F = qv*b where q= charge,v=velocity and B is theelectromagentic field value.

For more details:- http://www.ncert.nic.in/html/learning_basket/electricity/electricity/effects_of_current/lorentz_force.htm

this is the ncert webpage which explains the lorenzt force breifly.

Hope it helps!

Make some time reading that..
https://www.slideshare.net/mrrifas/electric-charges-lorentz-force

thank you...