1.
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______________?
2.
A CRO is used to measure _________________?
3.
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________________?
4.
Which of the following is likely to have the largest resistance ?
5.
The resistance of an ideal voltmeter is ______________?
6.
If 2% of the main current is to be passed through a galvanometer of resistance G, then resistance of the shunt required is ________________?
7.
The horizontal plates of a CRO are supplied with _____________ to observe the waveform of signal?
8.
An ideal ammeter has ______________ resistance?
9.
To send 10% of the main current through a moving coil galvanometer of resistance 99 O the shunt required is______________?
10.
If the negative potential on the control grid of CRT is increased, the intensity of spot _____________?
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