A voltmeter is connected in a _____________ with the circuit component across which potential difference is to be measured?

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. 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

3. A voltmeter should have ____________resistance?

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

4. 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

5. 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

6. The resistance of an ideal voltmeter is ______________?

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

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. If the negative potential on the control grid of CRT is increased, the intensity of spot _____________?

   A. Is increased
   B. Is decreased
   C. Remains the same
   D. None of the above

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

   A. 3 kO
   B. kO
   C. kO
   D. 6 kO

10. The horizontal plates of a CRO are supplied with _____________ to observe the waveform of signal?

    A. Sinusoidal wave
    B. Cosine wave
    C. Sawtooth wave
    D. None of the above