We prepared the top 30 Electrical & Electronics Measurements Objective Questions for your exam preparation to crack the competition tests.
Test your knowledge with the 30 objective questions and answers on the Electrical & Electronics Measurements.
1. Piezoelectric effect is carried out in
A) crystal filter.
B) constant k prototype.
C) m derived.
D) composite filter.
2. Swamping resistance is used to compensate
A) none of the answers
B) error due to temperature true variations.
C) compensate error due to strong magnetic field.
D) both error due to temperature true variations and compensate error due to strong magnetic field.
3. The high torque to weight ratio in an analog indicating instrument indicates
A) low friction loss.
B) high friction loss.
C) none of the answers
D) nothing related to friction loss.
4. Which of the following is a variable displacement transducer?
A) synchros
B) potentiometer
C) none of the answers
D) tachometer
5. A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω.
The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is
A) 100.
B) 11.
C) 110.
D) 10.
6. _______ is used to measure the flow of air around aeroplane.
A) Wheatstones.
B) Schering.
C) Hays.
D) Desautys.
7. When checked with an ohm meter an open resistor reads
A) infinite.
B) low but not zero.
C) high but within tolerance.
D) zero.
8. Resistance of a VARISTOR varies with
A) Candela
B) Steradian
C) Radian
D) Degree
9. Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because
A) It loads the circuit moderately.
B) It does not load the circuit at all.
C) It uses centre zero galvanometer instead of voltmeter.
D) It loads the circuit to maximum extent.
10. Relative permittivity can be measured by _______ bridge
A) Both Voltage and Temperature
B) Voltage
C) Current
D) Temperature
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