InterviewSolution
Saved Bookmarks
| 1. |
If the power factor is 1/10 and the value of impedance is 20 ohm, calculate the resistance in the circuit.(a) 1 ohm(b) 2 ohm(c) 3 ohm(d) 4 ohm |
|
Answer» The correct choice is (b) 2 ohm To explain I would say: We know that: cos(ϕ)=R/Z R=Z cos(ϕ) = 20/10 = 2 ohm. |
|