# The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of _____ ? with Answer - Electrical Engineering Mcqs | TestPrep

> Solved MCQ: The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of _____ ? Correct Answer: A. iron loss in core. 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

# The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of _____ ?

Direct Answer & Quick Reference

The correct option is **A. iron loss in core**.

A. iron loss in core **(Correct Answer)**

B. skin effect

C. increase in temperature

D. capacitive effect between adjacent coil turns

✨ Explain with AI

Verified Key: A. iron loss in core
Solved by 4,474+ 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/the-effective-resistance-of-an-iron-cored-choke-working-on-ordinary-supply-frequ-84edc33a-18b0-4a49-b4d7-11f5afeeb8ee*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*