# If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as _____ ? with Answer - Electrical Engineering Mcqs | TestPrep

> Solved MCQ: If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as _____ ? Correct Answer: A. Kelvin’s law. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

---

Tested in Competitive Exams:

- [NTS Test Prep](https://test-prep.blog/exams/nts)
- [FPSC Past Papers](https://test-prep.blog/exams/fpsc)
- [PPSC Solved MCQs](https://test-prep.blog/exams/ppsc)
- [PMDC MDCAT 2026](https://test-prep.blog/exams/mdcat)
- [UET ECAT Prep](https://test-prep.blog/exams/ecat)
- [CSS Central Superior](https://test-prep.blog/exams/css)

- [Electrical Engineering Mcqs](https://test-prep.blog/categories/electrical-engineering-mcqs)
Difficulty: Easy 84% Accuracy

# If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as _____ ?

Direct Answer & Quick Reference

The correct option is **A. Kelvin’s law**.

A. Kelvin’s law **(Correct Answer)**

B. Ohm’s law

C. Kirchhoffs law

D. Faraday’s law

E. none of the above

✨ Explain with AI

Verified Key: A. Kelvin’s law
Solved by 5,929+ students

Verified against official examination board answer keys and standard curriculum textbooks.

- [Previous Question An over excited synchronous motor is used for _____ ?](https://test-prep.blog/mcq/an-over-excited-synchronous-motor-is-used-for-f1d24557-3b04-4b89-ae04-f728affbdedd)
- [Next Question Regenerative method of braking is based on that _____ ?](https://test-prep.blog/mcq/regenerative-method-of-braking-is-based-on-that-aeaab186-d642-4fa7-be4a-10b96751e5bc)

- [Practice More Electrical Engineering Mcqs MCQs](https://test-prep.blog/quiz/smart?category=electrical-engineering-mcqs)
- [How We Verify Questions →](https://test-prep.blog/editorial-policy)

## Subject Overview

Explore thousands of solved past paper MCQs for Electrical Engineering Mcqs categorized with explanations.

- [Browse All Electrical Engineering Mcqs MCQs →](https://test-prep.blog/categories/electrical-engineering-mcqs)

## Related Questions

- [An over excited synchronous motor is used for _____ ?](https://test-prep.blog/mcq/an-over-excited-synchronous-motor-is-used-for-f1d24557-3b04-4b89-ae04-f728affbdedd)
- [Regenerative method of braking is based on that _____ ?](https://test-prep.blog/mcq/regenerative-method-of-braking-is-based-on-that-aeaab186-d642-4fa7-be4a-10b96751e5bc)
- [Solid Grounding is used for Voltages?](https://test-prep.blog/mcq/solid-grounding-is-used-for-voltages-394dae24-ff8b-4ee5-89a5-7fa6bdfb34cc)
- [select the only wrong statement?](https://test-prep.blog/mcq/select-the-only-wrong-statement-fdd5b9aa-1bc8-4a5e-9281-e19e4e6912d4)
- [select the correct statement?](https://test-prep.blog/mcq/select-the-correct-statement-296d8297-6efe-441c-baf9-3fb6148deade)

---
*Source: https://test-prep.blog/mcq/if-variable-part-of-annual-cost-on-account-of-interest-and-depreciation-on-the-c-43730eb4-d3f9-4635-9d37-324ff39c9d79*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*