Measurements and Instrumentation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Measurements and Instrumentation, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Measurements and Instrumentation 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 Measurements and Instrumentation mcq questions that explore various aspects of Measurements and Instrumentation problems. Each MCQ is crafted to challenge your understanding of Measurements and Instrumentation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Measurements and Instrumentation MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Measurements and Instrumentation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Measurements and Instrumentation knowledge to the test? Let's get started with our carefully curated MCQs!

Measurements and Instrumentation MCQs | Page 24 of 51

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Q231.
Hay's bridge is suitable for inductances having low L/R ratio.
Discuss
Answer: (b).False
Q232.
Moving iron instrument can be used for ac only.
Discuss
Answer: (b).False
Q233.
In electronic voltmeters the measuring device is a
Discuss
Answer: (a).moving coil instrument
Q234.
An ammeter has a resistance of 50 ohms and a shunt of 0.01 ฮฉ. The deflection is ฮธ. If the shunt resistance is increased to 0.02 ฮฉ, the deflection will be.
Discuss
Answer: (b).2ฮธ
Q235.
Assertion (A): Double Kelvin's bridge is used to measure low resistances.

Reason (R): In low resistance, the contact and lead resistances are very important.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Discuss
Answer: (a).angular position
Q237.
Assertion (A): Hay's bridge in particularly suitable for measuring inductance having a comparatively low resistance.

Reason (R): In Hay's bridge the value of frequency supply must be known.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
Q238.
The device having highest photo sensitivity is
Discuss
Answer: (a).photoconductive cell
Q239.
Assertion (A): The scale a PMMC ammeter is linear.

Reason (R): The deflecting torque of PMMC is proportional to current in the coil.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Q240.
Assertion (A): Moving iron instrument can be used on ac or dc.

Reason (R): In a moving iron instrument deflecting torque is proportional to square of current.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A