A. Voltmeter of range 10 V
B. Moving coil galvanometer
C. Ammeter of range 1 A
D. A copper wire of length 1 m and diameter 3 mm
Related Mcqs:
- A galvanometer of resistance G is shunted by a very small resistance S. The resistance of the resulting ammeter is ______________?
A. GS/(G+S)
B. G+S
C. G-S
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 - 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 - An ammeter has a resistance of G ohms and range of I amperes. The value of resistance required in parallel to convert it into an ammeter of range nI is______________?
A. nG
B. (n-1)G
C. G/(n-1)
D. G/n - 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 - A VTVM has_____________input resistance than that of a multi meter?
A. More
B. Less
C. Same
D. None of the above - A series ohmmeter circuit uses a 3 V battery and a 1 mA meter movement. What is the half-scale resistance for this movement ?
A. 3 kO
B. kO
C. kO
D. 6 kO - 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