A. Zero
B. Very high
C. Very low
D. None of the above
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Related Mcqs:
- A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is________________?
A. nG
B. G/n
C. G/(n-1)
D. (n-1)G - 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 - The sensitivity of a voltmeter which uses a 100 µA meter movement is ____________?
A. 1 kO/V
B. 10 kO/V
C. 5 kO/V
D. Data insufficient - What is the total resistance of a voltmeter on the 10 V range when the meter movement is rated for 50 µA of full-scale current ?
A. 10 kO
B. 20 kO
C. 200 kO
D. None of the above - The resistance of an ideal voltmeter is ______________?
A. Low
B. Infinite
C. Zero
D. High - An ammeter should have_____________ resistance?
A. Infinite
B. Very large
C. Very low
D. None of the above - If a multimeter has a sensitivity of 1000 O per volt and reads 50 V full scale, its internal resistance is _____________?
A. 20 kO
B. 50 kO
C. 10 kO
D. None of the above - The most accurate device for measuring voltage is ____________?
A. Voltmeter
B. Multimeter
C. CRO
D. VTVM - When an ammeter is inserted in the circuit, the circuit current will _____________?
A. Increase
B. Decrease
C. Remain the same
D. None of the above - If 2% of the main current is to be passed through a galvanometer of resistance G, then resistance of the shunt required is ________________?
A. G/50
B. G/49
C. 49 G
D. 50 G
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