If magnetic field is along + z - axis and a potential difference is applied across an ionized gas chamber placed in the x - y plane, then (i) Magnetic force on positive ions will act along + y axis (ii) Magnetic force on electrons will act along + y axis

Question

If magnetic field is along + z - axis and a potential difference is applied across an ionized gas chamber placed in the x - y plane, then (i) Magnetic force on positive ions will act along + y axis (ii) Magnetic force on electrons will act along + y axis, both (i) and (ii) are correct, both (i) and (ii) are wrong, only (i) is correct, only (ii) is correct

MARKS App · Accepted Answer

Force on + v e ions = q v × B = q v i ^ × B k ^ = q v B - j ^ Force on electrons = - q v × B = - q v - i ^ × B k ^ = q v B - j ^

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