Question

Power factor varies between:

• A. 0 to 1
• B. 1 to 2
• C. 1 to 1.5
• D. 2 to 2.5

Answer 1

Answer: (A)

Power factor is $\cos \varphi ,$ and $\cos \varphi$ varies in between $\cos 0^{\circ }$ to $\cos 90^{\circ },$ which is ranges from 1 to $0$ .