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Question No. 276Interactive Test Mode
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+2-0.66

Q276. Fluorescent tubes are fitted with a choke. The choke coil:

Fluorescent tubes are fitted with a choke. The choke coil:

Select the correct option below (or cross out options to eliminate)

Official Answer Key & Detailed Solution

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Click any option above to test yourself under exam conditions, or reveal the explanation directly.

Official UPSC Answer KeyUPSC Prelims 2000 • Science and Technology

Correct Answer: Option (C) — reduces current in the circuit

Concept & Option Breakdown

Standard Reference Verified

A choke coil is an inductor with high inductance and low resistance. It limits/reduces alternating current in the circuit by providing high inductive reactance without consuming significant electrical energy (power loss is minimal compared to a pure resistor).

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2000 (Q276)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (C) — reduces current in the circuit

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Frequently Asked Questions — UPSC Prelims 2000 Q276

What is the official answer for UPSC Prelims 2000 GS Paper I Question 276 (Science and Technology)?

The official UPSC answer key for this 2000 Science and Technology (Health & Medicine) question is Option (C): "reduces current in the circuit". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2000 question belong to?

This question belongs to GS Paper I under the subject "Science and Technology" and micro-topic "Health & Medicine". You can explore all repeated questions from Health & Medicine in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Health & Medicine UPSC Prelims question using option elimination?

To solve Health & Medicine questions in UPSC Prelims, identify extreme modifiers, verify core NCERT conceptual definitions, and eliminate mutually contradictory statement pairs before locking your final option.

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