GATE EE 2020 Set 1 — Question 57

NAT+2 / -0MediumPower Flow EquationsPer-Unit System & Load FlowPower Systems

Power Systems → Per-Unit System & Load Flow → Power Flow Equations

Last updated 5 September 2026

Question

V_1 = 1.1\text{ pu}

Q_{12} = \frac{V_1 V_2 \cos \delta - V_2^2}{X}

Review answer and solution without JavaScript

Interactive answer checking needs JavaScript. The published solution is available below.

Q_{12} = \frac{V_1 V_2 \cos \delta - V_2^2}{X}

Continue learning with Success Tracker

Use Success Tracker to ask about the reasoning, then try another GATE EE question to check your understanding.

AI-powered practice· Unlimited practice on eligible plans

PYQs with solutions: Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
Practice that adapts: Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
AI doubt support: Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.

Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.

This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.