MCQ
In $N-$type semiconductors, majority charge carriers are
- AHoles
- BProtons
- CNeutrons
- ✓Electrons
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$\vec r = (\sin \,t\,\hat i\, + \,\cos \,t\,\hat j\, + \,t\,\hat k)m$
Find time $'t'$ when position vector and acceleration vector are perpendicular to each other