Physics - Magnetism Question with Solution | TestHub
PhysicsMagnetismMotion analysis in electric & magnetic fieldMedium3 minQB
PhysicsMediumsingle choice
A particle of charge q and velocity v passes with constant velocity through a space with non zero electric field E and magnetic field B . The undeflecting conditions will hold if :-
Options:
Answer:
D
Solution:
Undeflected motion needs .
The vector condition is E+v cross B=0; charge q cancels. Doubling both fields preserves it (D).
Stream:JEESubject:PhysicsTopic:MagnetismSubtopic:Motion analysis in electric & magnetic field
⏱ 3mℹ️ Source: QB
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