A series ohmmeter circuit uses a 3 V battery and a 1 mA meter movement. What is the half-scale resistance for this movement ?

Related Mcqs:

1. 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...

2. 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...

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________________?

   A. nG B. G/n C. G/(n-1) D. (n-1)G...

4. 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...

5. A VTVM has_____________input resistance than that of a multi meter?

   A. More B. Less C. Same D. None of the above...

6. 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...

7. 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...

8. A galvanometer in series with a high resistance is called_______________?

   A. An ammeter B. A voltmeter C. A wattmeter D. None of the above...

9. 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...

10. 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...