A. nG
B. (n-1)G
C. G/(n-1)
D. G/n
0
A CRO is used to measure _________________?
0
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. Voltage
B. Frequency
C. Phase
D. All of above
0
Which of the following is likely to have the largest resistance ?
A. nG
B. G/n
C. G/(n-1)
D. (n-1)G
0
The resistance of an ideal voltmeter is ______________?
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
0
If 2% of the main current is to be passed through a galvanometer of resistance G, then resistance of the shunt required is ________________?
A. Low
B. Infinite
C. Zero
D. High
0
The horizontal plates of a CRO are supplied with _____________ to observe the waveform of signal?
A. G/50
B. G/49
C. 49 G
D. 50 G
0
An ideal ammeter has ______________ resistance?
A. Sinusoidal wave
B. Cosine wave
C. Sawtooth wave
D. None of the above
0
To send 10% of the main current through a moving coil galvanometer of resistance 99 O the shunt required is______________?
A. Low
B. Infinite
C. Zero
D. High