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

Related Mcqs:

1. 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

2. A CRO is used to measure _________________?

   A. Voltage
   B. Frequency
   C. Phase
   D. All of above

3. 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

4. An ammeter should have_____________ resistance?

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

5. 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

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

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

7. A VTVM is never used to measure ______________?

   A. Voltage
   B. Current
   C. Resistance
   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. An ideal ammeter has ______________ resistance?

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

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