Basic Electronic Voltmeter

Electrical Measurements

This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Basic Electronic Voltmeter”.

1. Low voltage signals can be measured by ___________
a) amplifiers
b) transformers
c) transducers
d) voltmeters

2. Input impedance of an electronic voltmeter is ________
a) low
b) high
c) medium
d) zero

3. Meter can be isolated from the circuit in a basic D.C. electronic voltmeter.
a) True
b) False

4. Bridge is balanced by ________
a) galvanometer
b) oscillator
c) zero adjustment resistor
d) head phone

5. What is the effect of the input on the transistor Q2?
a) bias on Q2 decreases
b) bias on Q2 is constant
c) bias on Q2 is zero
d) bias on Q2 increases

6. What is basic range of a meter?
a) causes maximum deflection
b) causes minimum deflection
c) causes zero deflection
d) causes medium deflection

7. High range can be obtained in a basic D.C. electronic voltmeter by ________
a) a transformer
b) an attenuator
c) a transducer
d) a resistor

8. Sensitivity of electronic voltmeter is high.
a) True
b) False

9. Overloading is ________
a) damages the meter
b) increases the temperature
c) doesn’t affect the meter
d) decreases the sensitivity

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