Measurement of Resistance MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Measurement of Resistance, 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 Measurement of Resistance 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 Measurement of Resistance mcq questions that explore various aspects of Measurement of Resistance problems. Each MCQ is crafted to challenge your understanding of Measurement of Resistance 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 Measurement of Resistance MCQs are your pathway to success in mastering this essential Electrical Measurement and Instrumentation topic.

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Measurement of Resistance MCQs | Page 4 of 15

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Q31.
Amount of deflection of the galvanometer depends on _________

a.

resistance of the ratio arms

b.

sensitivity

c.

current flowing through the bridge

d.

emf across the circuit

Discuss
Answer: (b).sensitivity
Q32.
Sensitivity is defined as _________

a.

amount of voltage per unit current

b.

amount of power per unit voltage

c.

amount of resistance per unit voltage

d.

amount of deflection per unit current

Discuss
Answer: (d).amount of deflection per unit current
Q33.
Sensitivity is expressed in _________

a.

cm/A

b.

m/mA

c.

mm/µA

d.

inch/nA

Discuss
Answer: (c).mm/µA
Q34.
What is the relation between the sensitivity and deflection for a galvanometer?

a.

directly proportional

b.

inversely proportional

c.

independant of each other

d.

depends on the type of galvanometer used

Discuss
Answer: (a).directly proportional
Q35.
The voltage sensitivity of a galvanometer is given by _________

a.

Sᵥ = e⁄θ

b.

Sᵥ = θ⁄e

c.

Sᵥ = 1⁄e

d.

Sᵥ = 1⁄θ

Discuss
Answer: (b).Sᵥ = θ⁄e
Q36.
Unit of voltage sensitivity is _________

a.

volts per degrees

b.

amps per ohms

c.

degrees per volts

d.

watts per amps

Discuss
Answer: (c).degrees per volts
Q37.
Bridge sensitivity is defined as _________

a.

\(S_B=\frac{\theta}{R}\)

b.

\(S_B=\frac{\theta}{\Delta R}\)

c.

\(S_B=\frac{1}{\frac{\Delta R}{R}}\)

d.

\(S_B=\frac{\theta}{\frac{\Delta R}{R}}\)

Discuss
Answer: (d).\(S_B=\frac{\theta}{\frac{\Delta R}{R}}\)
Q38.
Maximum sensitivity occurs when?

a.

R₃ ⁄ R₄ = 1

b.

R₂ ⁄ R₄ = 1

c.

R₁ ⁄ R₂ = 1

d.

R₃ ⁄ R₂ = 1

Discuss
Answer: (a).R₃ ⁄ R₄ = 1
Q39.
The Wheatstone bridge is used for the measurement of _________

a.

1ῼ to a few megaohms

b.

1kῼ to a few megaohms

c.

1Mῼ to a few gigaohms

d.

1mῼ to a few ohms

Discuss
Answer: (a).1ῼ to a few megaohms
Q40.
The source of error in a Wheatstone bridge is due to _________

a.

range of galvanometer used

b.

type of the source of emf used

c.

limiting errors of the three known resistances

d.

balance condition

Discuss
Answer: (c).limiting errors of the three known resistances
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