MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why is a delay line used in a CRO? |
| A. | to boost the signal |
| B. | to distort the signal |
| C. | to provide signal delay |
| D. | for stability |
| Answer» D. for stability | |
| 2. |
BJT is used in the amplifier stage. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
WHY_IS_A_DELAY_LINE_USED_IN_A_CRO??$ |
| A. | to boost the signal |
| B. | to distort the signal |
| C. | to provide signal delay |
| D. | for stability |
| Answer» D. for stability | |
| 4. |
BJT is used in the amplifier stage? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Phase inverter is used in an amplifier in the CRO because ___________ |
| A. | phase inversion is needed |
| B. | no phase inversion is needed |
| C. | it is needed to operate a push pull |
| D. | it provides voltage stability |
| Answer» D. it provides voltage stability | |
| 6. |
Input stage in the amplifier consists of ___________ |
| A. | oscillator |
| B. | attenuator |
| C. | rectifier |
| D. | op amp |
| Answer» C. rectifier | |
| 7. |
Amplifier is multiple stage in a CRO. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Role of an attenuator is ___________ |
| A. | to boost the signal |
| B. | to distort the signal |
| C. | to remove noise |
| D. | to improve the operation |
| Answer» E. | |
| 9. |
Amplifier stage is ___________ |
| A. | half band |
| B. | full band |
| C. | wide band |
| D. | narrow band |
| Answer» D. narrow band | |
| 10. |
Input signals are amplified using ___________ |
| A. | rectifier |
| B. | amplifier |
| C. | oscillator |
| D. | op amp |
| Answer» C. oscillator | |
| 11. |
What is the role of CRT? |
| A. | to emit electrons |
| B. | to emit protons |
| C. | to emit neutrons |
| D. | to emit alpha particles |
| Answer» B. to emit protons | |