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Chapter 5 ELECTRONIC INSTRUMENT MCQs

1. . Electronic voltmeters can be designed to measure

(A) Both very small and very high voltages


(B) Only very high voltages


(C) Only very small voltages


(D) None of these




2. . An ammeter is connected in …………….. with the circuit element whose current we wish to measure

(A) None of the above


(B) Parallel


(C) Series or parallel


(D) Series




3. . A galvanometer in series with a high resistance is called ……………

(A) An ammeter


(B) None of the above


(C) A wattmeter


(D) A voltmeter




4. . The sensitivity of a multimeter is given in ……………..

(A) kΩ/V


(B) Amperes


(C) Ω


(D) None of the above




5. . The most accurate device for measuring voltage is …………

(A) Voltmeter


(B) Multimeter


(C) CRO


(D) VTVM




6. . Low voltage signals can be measured by ___________

(A) Voltmeters


(B) Transformers


(C) Transducers


(D) Amplifiers




7. . Input impedance of an electronic voltmeter is ________

(A) Low


(B) Medium


(C) High


(D) Zero




8. . Modern day voltmeters are made of __________

(A) Made of transistors and diodes


(B) Made of vacuum tubes


(C) Made of transformers


(D) Made of insulated iron coils




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