The resistance of an ideal voltmeter is ______________?

Related Mcqs:

1. 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...

2. 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...

3. 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...

4. An ideal ammeter has ______________ resistance?

   A. Low B. Infinite C. Zero D. High...

5. A voltmeter should have ____________resistance?

   A. Zero B. Very high C. Very low D. None of the above...

6. 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...

7. 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...

8. 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...

9. 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...

10. The input resistance of a VTVM is about ______________?

    A. 1000 O B. 10 kO C. 20 kO D. 10 MO...