Extension of Instrument Ranges MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Extension of Instrument Ranges, a fundamental topic in the field of Electrical Measurement and Instrumentation. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Extension of Instrument Ranges MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Extension of Instrument Ranges mcq questions that explore various aspects of Extension of Instrument Ranges problems. Each MCQ is crafted to challenge your understanding of Extension of Instrument Ranges principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electrical Measurement and Instrumentation tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Extension of Instrument Ranges MCQs are your pathway to success in mastering this essential Electrical Measurement and Instrumentation topic.

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Extension of Instrument Ranges MCQs | Page 9 of 12

Q81.
For a given Vₚ the Vₛ __________
Discuss
Answer: (b).decreases
Discuss
Answer: (c).ratio error increases with secondary burden
Q83.
Vₚ is leading in phase, while Vₛ is lagging in phase.
Discuss
Answer: (a).True
Discuss
Answer: (a).Iₚ shifts towards I₀
Q85.
How is the transformation ratio dependent on the secondary burden?
Discuss
Answer: (b).increases
Q86.
Decrease in p.f. makes Vₛ to lead Vₚ.
Discuss
Answer: (a).True
Discuss
Answer: (b).increases with a decrease in flux
Q88.
A 50 Hz, bar primary CT has a secondary with 800 turns. The secondary supplies 7 A current into a purely resistive burden of 2 Ω. The magnetizing ampere-turns are 300. The phase angle is?
Discuss
Answer: (a).3.1°
Q89.
A 50 Hz, bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1 Ω. The magnetizing ampere-turns are 200. What is the ratio error at full load, if the iron loss is 1.5 W and magnetizing mmf is 100 A?
Discuss
Answer: (b).45 μWb
Q90.
A 1000/5 A, 50 Hz correct transformer has a secondary burden comprising a non-inductance of 1.6Ω. The flux in the core at full load is?
Discuss
Answer: (b).180 μWb