Which of the below are the correct S. I units of the quantities indicated?

I. Force (N)
II.Torque (Nm)
III. Current (A)
IV. Power (W)

A. I and II only
B. I and III only
C. I, II and III only
D. I, II, III and IV

Correct Answer:

Option D – I, II, III and IV 

Explanation

Torque has the same unit as moment = Nm
∴i, iii and iv have correct units.