A charged particle with a velocity `2xx10^(3) ms^(-1)` passes undeflected through electric field and magnetic fields in mutually perpendicular directions. The magnetic field is `1.5 t. the magnitude of electric field will be

A charged particle with a velocity 2 xx 10^3 ms^-1 passes undeflected through electric field and magnetic fields in mutually perpendicular directions. The magnetic field is 1.5 T. The magnitude of electric field will be

A charged particle with a velocity 2 xx 10^(3) m s^(-1) passes undeflected through electric field and magnetic fields in the mutually perpendicular directions. The magnetic field is 1.5 T. The magnitude of electric field will be

A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

A charged particle moving with velocity vis subjected to electric field E and magnetic field B. The particle will go undeflected if

A charged particle moving with velocity vis subjected to electric field E and magnetic field B. The particle will go undeflected if

(A) : Magnetic force is always perpendicular to the magnetic field (R) : Electric force is along the direction of electric field.