Transducer Selection Factors

Electrical Measurements

This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Transducer Selection Factors”.

1. Selection of a transducer depends on the quantity being measured.
a) True
b) False

2. A transducer must have _____________
a) maximum loading
b) minimum loading
c) zero loading
d) infinite loading

3. Transducers must operate under ___________
a) zero electromagnetic field
b) constant electromagnetic fields
c) varying electromagnetic fields
d) infinite electromagnetic field

4. Errors can be minimised in some transducers through ___________
a) power compensation
b) voltage compensation
c) resistance compensation
d) temperature compensation

5. How can a transducer be used in the environment with vibrations?
a) using shock absorbers
b) using proper grounding
c) using effective voltage
d) using a transformer

6. How many passive transducers are there?
a) 1
b) 3
c) 5
d) 7

7. Resistance of a metallic conductor is given by ___________
a) R = IA
b) R = ρA
c) R = ρlA
d) R = 1A

8. Passive transducers are described with their primary parameters.
a) True
b) False

9. Rotational potentiometers use ___________
a) capacitance
b) self inductance
c) mutual inductance
d) resistance

10. Temperature transducers make use of ___________
a) change in resistivity
b) change in length
c) change in area
d) change in capacitance

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