A CRO is used to measure _________________?

Related Mcqs:

1. For display of signal pattern _____________voltage is applied to the horizontal plates of a CRO?

   A. Sinusoidal
   B. Rectangular
   C. Sawtooth
   D. None of the above

2. 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

3. 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

4. A VTVM is never used to measure ______________?

   A. Voltage
   B. Current
   C. Resistance
   D. None of the above

5. 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

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. If the full-scale deflection current of a multimeter is 50 µA, its sensitivity is ________________?

   A. 10 kO/V
   B. 100 kO/V
   C. 50 kO/V
   D. 20 kO/V

8. 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

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. 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