A galvanometer of resistance G is shunted by a very small resistance S. The resistance of the resulting ammeter is ______________?

Related Mcqs:

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______________?

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

2. 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

3. An ideal ammeter has ______________ resistance?

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

4. An ammeter should have_____________ resistance?

   A. Infinite
   B. Very large
   C. Very low
   D. None of the above

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

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

6. To send 10% of the main current through a moving coil galvanometer of resistance 99 O the shunt required is______________?

   A. 11 O
   B. 9 O
   C. 100 O
   D. 9 O

7. An ammeter is connected in __________ with the circuit element whose current we wish to measure?

   A. Series
   B. Parallel
   C. Series or parallel
   D. None of the above

8. 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

9. 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

10. The resistance of an ideal voltmeter is ______________?

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