Electronic Instruments Mcqs
Q.1: The input resistance of a VTVM is about ______________?7
A. 1000 O
B. 10 kO
C. 20 kO
D. 10 MO
Q.2: If a multimeter has a sensitivity of 1000 O per volt and reads 50 V full scale, its internal resistance is _____________?y
A. 20 kO
B. 50 kO
C. 10 kO
D. None of the above
Q.3: The sensitivity of a multimeter is given in _______________?<
A. O
B. Amperes
C. kO/V
D. none of the above
Q.4: An ammeter is connected in __________ with the circuit element whose current we wish to measure?`
A. Series
B. Parallel
C. Series or parallel
D. None of the above
Q.5: An ammeter should have_____________ resistance?/
A. Infinite
B. Very large
C. Very low
D. None of the above
Q.6: A voltmeter should have ____________resistance?/
A. Zero
B. Very high
C. Very low
D. None of the above
Q.7: A galvanometer in series with a high resistance is called_______________?I
A. An ammeter
B. A voltmeter
C. A wattmeter
D. None of the above
Q.8: A voltmeter is connected in a _____________ with the circuit component across which potential difference is to be measured?{
A. Parallel
B. Series
C. Series or parallel
D. None of the above
Q.9: If the full-scale deflection current of a multimeter is 50 A, its sensitivity is ________________?d
A. 10 kO/V
B. 100 kO/V
C. 50 kO/V
D. 20 kO/V
Q.10: A VTVM has_____________input resistance than that of a multi meter?C
A. More
B. Less
C. Same
D. None of the above

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