A particle of mass m and charge q has an initial velocity vector v0 j. JEE Mains 2020

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A particle of mass m and charge q has an initial velocity vector v = v0j. If an electric field vector E = E0i and magnetic field vector B = B0i act on the particle, its speed will double after a time.
JEE Mains 2020, 7th January Second Shift.
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Force is always in minus z direction due to magnetic field

Dev-bdx
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When I did it I got the force due to magnetic field in the y(-z) plane

subhrapaul
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If we type question in utube we nt getting ur videos sir, please upload in any website sir ⭐

sumithmourya
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3:00 Vy constant to samjh mein aaya, ye Vz kahan se aagya beech mein ?

ALJHAD
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why wouldnt the particle start its motion from other side?

UAwarrior-dubz
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