Top 150+ Solved Electromagnetic Interference MCQ Questions Answer
Q. What is the principle of operation of LVDT?
a. mutual inductance
b. self-inductance
c. permanence
d. reluctance
Q. Electrical strain gauge works on the principle of
a. variation of resistance
b. variation of capacitance
c. variation of inductance
d. variation of area
Q. Commonly used elements for wire strain gauges are
a. nickel and copper
b. nickel and gold
c. gold and brass
d. silver and aluminium
Q. C.R.O gives
a. actual representation
b. visual representation
c. approximate representation
d. incorrect representation
Q. Strain gauge measurement involves
a. wheatstone bridge
b. kelvin bridge
c. de sauty’s bridge
d. anderson bridge
Q. Electrical transducers generate
a. biological signals
b. chemical signals
c. physical signals
d. electrical signals
Q. How do passive transducers develop electrical signals
a. using a transformer
b. using internal source
c. using external source
d. using a diode
Q. A transducer must be
a. quick in response
b. slow in response
c. medium in response
d. very slow in response
Q. McLeod gauge used for measurement of
a. high pressure
b. low pressure
c. very high pressure
d. pressure
Q. Temperature transducers make use of
a. change in resistivity
b. change in length
c. change in area
d. change in capacitance