Fundamental and derived units, SI system, measurement of length, mass, time.
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Q1 · Measurement · EASY
The SI unit of electric current is:
Q2 · Measurement · MEDIUM
A screw gauge has 50 divisions on its circular scale and moves 0.5 mm on the linear scale in one complete rotation. What is the least count of the screw gauge?
Q3 · Measurement · HARD
The dimensions of coefficient of viscosity are: