Power Factor questions
4 job-exam questions on Power Factor from 4 papers — BPSC, BB, DPDC and more — with answers and discussion.
Papers
- November 2026 – Written (BPSC) — BPSC · Assistant Engineer (EEE)
- October 2026 – Written (BPSC) — BPSC · Assistant Programmer (CSE)
- October 2025 – Written (BUET) — DPDC · Assistant Engineer (EEE)
- 2013 – Preliminary — BB · Assistant Maintenance Engineer
Questions
- A single-phase circuit has Z_1 = 6 + j8\ \Omega and Z_2 = 4 - j3\ \Omega in parallel across 200 V. Determine the branch currents and the…
- A power system is providing 200 V ac at 25 A. The phase angle between current and voltage is 25°. What is the power consumed by the system?
- Power factor of a purely resistive circuit is:
- (a) Draw phasor diagram, consider voltage across capacitor as reference and show whether the pf is leading or lagging. (b) All values are…