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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Instrumentation Transducers knowledge and support exam preparation. Choose a topic below to get started.
1. |
MODULATION_INDEX_FOR_MUSIC_BROADCASTING_____________WITH_INCREASING_FREQUENCY.?$ |
A. | Increases |
B. | Decreases |
C. | Constant |
D. | None of the mentioned |
Answer» C. Constant | |
2. |
Tank_circuit_contains______________$ |
A. | Inductor |
B. | Capacitor |
C. | Both inductor and capacitor |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
3. |
Modulation index is the product of Δfc and fm?# |
A. | True |
B. | False |
Answer» C. | |
4. |
Amstrong modulator is _________________ |
A. | Direct modulator |
B. | Indirect modulator |
C. | Unbalanced modulator |
D. | Balanced modulator |
Answer» C. Unbalanced modulator | |
5. |
Indirect FM generators uses ____________ |
A. | Crystal oscillator |
B. | Wien bridge oscillator |
C. | LC oscillator |
D. | RC tuned circuit |
Answer» B. Wien bridge oscillator | |
6. |
Power level of FM signal in space telemetry and entertainment system are equal. |
A. | True |
B. | False |
Answer» C. | |
7. |
FM generators for communication has frequency ______________ |
A. | Less than 10MHz |
B. | Between 10MHz and 100MHz |
C. | Between 100MHz and 300MHz |
D. | Above 500MHz |
Answer» C. Between 100MHz and 300MHz | |
8. |
Balanced and double balanced modulators produce ________________ |
A. | Amplitude modulated signal |
B. | Frequency modulated signal |
C. | Both AM and FM |
D. | None of the mentioned |
Answer» B. Frequency modulated signal | |
9. |
Which of the following can produce AM signal? |
A. | Any electronic device |
B. | Any electronic device with linear chara |
C. | Any electronic device with non-linear chara |
Answer» D. | |
10. |
AM signals are the _____________ of data signal and carrier signal. |
A. | Difference |
B. | Sum |
C. | Product |
D. | Ratio |
Answer» D. Ratio | |