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MODULATION DEMODULATION TRANSMITTER ELECTRICAL - Practice Mode
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Information and Communication Technology System Maintenance (ICTSM)
MODULATION DEMODULATION TRANSMITTER ELECTRICAL
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1) What is the range of frequency for Short Wave (SW) band?
550 kHz to 1650 kHz
3 MHz to 30 MHz
30 MHz to 100 MHz
200 MHz to 300 MHz
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Correct Answer: 3 MHz to 30 MHz
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1) What is the range of frequency for Short Wave (SW) band?
550 kHz to 1650 kHz
3 MHz to 30 MHz
30 MHz to 100 MHz
200 MHz to 300 MHz
2) What is fidelity of receiver circuits?
Generated automatic gain
Stability of amplifier
Accuracy of reproduction
Mixing complicated signals
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Correct Answer: Accuracy of reproduction
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2) What is fidelity of receiver circuits?
Generated automatic gain
Stability of amplifier
Accuracy of reproduction
Mixing complicated signals
3) What is the full form of SSB in AM signals?
Similar Side Band
Sequence Side Band
Shift Side Band
Single Side Band
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Correct Answer: Single Side Band
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3) What is the full form of SSB in AM signals?
Similar Side Band
Sequence Side Band
Shift Side Band
Single Side Band
4) What is the range of frequency for Medium Wave (MW) in AM broadcasting?
20 Hz to 20 kHz
452 Hz to 456 kHz
530 Hz to 1650 kHz
3 MHz to 26 MHz
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Correct Answer: 530 Hz to 1650 kHz
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4) What is the range of frequency for Medium Wave (MW) in AM broadcasting?
20 Hz to 20 kHz
452 Hz to 456 kHz
530 Hz to 1650 kHz
3 MHz to 26 MHz
5) What is the speed of light?
3 x 10<sup>3</sup> meters per second
3 x 10<sup>6</sup> meters per second
3 x 10<sup>8</sup> meters per second
3 x 10<sup>10</sup> meters per second
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Correct Answer: 3 x 10<sup>8</sup> meters per second
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5) What is the speed of light?
3 x 10<sup>3</sup> meters per second
3 x 10<sup>6</sup> meters per second
3 x 10<sup>8</sup> meters per second
3 x 10<sup>10</sup> meters per second
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