EC > GATE 2016 SET-2 > Vector Calculus
Consider the time-varying vector I=x̂15cos(ωt)+ŷ5sin(ωt) in Cartesian coordinates, where ω>0 is a constant. When the vector magnitude |I| is at its minimum value, the angle θ that I makes with the x axis (in degrees, such that 0≤θ≤180) is
Correct : 90
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