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

Related Mcqs:

1. The materil used to coat inside the face of CRT is ______________?

   A. Carbon
   B. Sulphur
   C. Silicon
   D. Phosphorous

2. 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

3. 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

4. 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

5. 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

6. The sensitivity of a multimeter is given in _______________?

   A. O
   B. Amperes
   C. kO/V
   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. 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

9. An ideal ammeter has ______________ resistance?

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

10. A CRO is used to measure _________________?

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