34. Which of the following does NOT belong to non-resonant HF antennas? A. Loop Antenna B. Long-wire Antenna C. Rhombic Antenna D. Vee Antenna
1. 34. Which of the following does NOT belong to non-resonant HF antennas? A. Loop Antenna B. Long-wire Antenna C. Rhombic Antenna D. Vee Antenna
Answer:
C. Rhombic Antenna
Explanation:
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2. 36. What kind of antenna which receives more or less in all directions? A. Directional Antenna B. Omni-directional Antenna C. Parabolic Antenna D. Yagi Antenna
Answer:
C. po sagot
Explanation:
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3. How does microwave transmitted?A. Antenna to ReceiverB. Antenna to TransmitterC. Antenna to SatelliteD. Antenna to Sound
Answer:
B
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4. what meaning of antenna
Answer:
NASA pic Yun sagot Sana makatulong
Explanation:
correct me if I'm wrong
5. What are the best uses for the different kinds of antennas? Antenna Type Omnidirectional, Sector, Focused Best Uses
Answer:
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6. Which question would be asked in a dichotomous key? How long are the insect’s antennae? Are the insect’s antennae longer than its head? Are the insect’s antennae long or short? How does the insect use its antennae?
the answer is are the insects antennae long or short.
7. How will you describe the microwaves signals? A. It is transmitted by an antenna to a satellite which amplifies and re-transmit the signal to an antenna in other parts of the world B. It is not transmitted by an antenna to a satellite which amplifies and re-transmit the signal to an antenna in other parts of the world C. It is transmitted by an antenna to a satellite which do not amplifies and re-transmit the signal to an antenna an antenna in other parts of the world D. It is transmitted by an antenna and microphone to a satellite which amplifies and re-transmit the signal to an antenna in other parts of the world
Answer:
A
Explanation:
It is transmitted by an antenna to a satellite which amplifies and re-transmit the signal to an antenna in other parts of the world
8. 10. Which of the following sequence is properly arranged according to thetransmission of radio waves?A. Microphone-modulator-amplifier-broadcast antennaB. Microphone-amplifier-modulator-broadcast antennaC. Microphone-amplifier-modulator-broadcast antennaD. Microphone- oscillator-amplifier-broadcast antenna
Answer:
C. Microphone-amplifier-modulator-broadcast antenna
Explanation:
9. what will happen if an antenna is not
Answer: Not? Ahmmm clarify your questions pls.
10. what is the meaning of antennae
Answer:
antenna
Explanation:
antenna ginagamit para magkaroon ng signal
Answer:
The antennae are often called 'feelers' because the insect waves them around. This is a wrong name because they are not only used for touch. The antennae are actually the insects 'nose' - they are used for the sense of smell.Explanation:
hope it helps:)11. The presence/absence of antennae of Insect
Answer:
A similar point of confusion may be the determination of presence or absence of antennae. Antennae come in a variety of sizes and shapes (see pages 11-13). Dead insects may have antennae hidden or broken. If antennae are not apparent check to see if attachment "sockets" are visible on the insect's head in front of and beneath the eyes.
12. the modulated waves are fed to an antenna fixed on the tower. what will the transmitting antenna do in the generated radio frequency wave?
the modulated waves are fed to an antenna fixed on the tower. what will the transmitting antenna do in the generated radio frequency wave?
Answer:
TEXT S∀ P∅↑∩T
Explanation:
13. 1. How do radio waves are produced?a. by making protons vibrate in an antennab. by making neutrons vibrate in an antennac. by making electrons vibrate in an antennad. by making photons vibrate in an antenna
Answer:
C
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14. presence of antennae insect
Answer:
Antennae are the primary olfactory sensors of insects and are accordingly well-equipped with a wide variety of sensilla (singular: sensillum).
Explanation:
15. Two antennas 9.00 m apart are emitting coherent waves with a wavelength of 2.50 m. a microphone is then swept along the line connecting the two antennas. what is the minimum distance from the antenna can you observe constructive interference
Answer:
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16. Arrange the radio receiver:Oscillator, microphone, modulator, amplifier, broadcast antenna, reciever antenna
Answer:
Oscillator, modulator, microphone, broadcast antenna, receiver antenna, amplifier
Explanation:
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17. describe the female drosophila antenna
Answer:
do your best
Explanation:
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18. TRANSFERGive the simple meaning of the following words below.7. Antennae -8. Cha9. Fangs -10. Tentacles -11. Proboscis -
Answer:
7. Antennae- antenna,aerial
9.Fangs- hollow or grooved tooth of a venomous snake,tusk,tush
10. Tentacles- any of various elongated tactile or prehensile flexible organs that occur on the head or near in mouth.
11. Proboscis- a long flexible snout as of an elephants.
Explanation:
Hope it helps...
19. An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. the individual antennas (called elements) are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase relationship. the radio waves radiated by each individual antenna combine and superpose, adding together (interfering constructively) to enhance the power radiated in desired directions, and cancelling (interfering destructively) to reduce the power radiated in other directions. similarly, when used for receiving, the separate radio frequency currents from the individual antennas combine in the receiver with the correct phase relationship to enhance signals received from the desired directions and cancel signals from undesired directions. more sophisticated array antennas may have multiple transmitter or receiver modules, each connected to a separate antenna element or group of elements.
Answer:
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20. Significance of radiation efficiency in antenna
Answer:
The antenna radiation efficiency (η) is one of the most important parameters since it is the most useful and informative measure of how efficient an antenna is to radiate or receive the radio wave at a desired frequency. ... In reality, the radiation efficiency is always larger than the total efficiency of the antenna.
Answer:
Radiation efficiency is another important parameter to describe how efficiently an antenna transmits and receives RF signals, which is defined as the ratio of the total power radiated by an antenna to the total input power received from the generator.
21. what is the singular form of antennae
Answer:
The singular noun antenna is just one of the feelers on a bug's head — a sensory wand the insect waves around to check out its surroundings. The plural of this antenna is antennae.22. . Which of the following sequence is properly arranged according to the reception of radio waves? * Receiving antenna – demodulator - amplifier- speaker Broadcast antenna – amplifier – demodulator – speaker Receiving antenna – amplifier – demodulator – speaker Broadcast antenna – demodulator - amplifier- speaker
Answer:
the answer is:
Receiving antenna – demodulator - amplifier- speaker
Explanation:
23. defenition of antenna loop shieldded
Answer:
When a loop is shielded it means that the turns of the loop itself are inside of a shield — one that is open at some point. See Figure 2. This shielding has the very beneficial effect of rejection of electrostatic fields — often the source of noise getting in to an AM receiver.
24. 3. What are the components of a radar?a. satellite, transmitter, and a receiver.b. antenna, transmitter, and a receiver.c. antenna, satellite, and a receiver.d. antenna, transmitter, and a satellite.
Answer:
the answers is letter B
Explanation:
hopefully this helps you
25. 1. ______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker2. ______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker3.______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker4.______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker5.______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker6.______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker7.______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker8.______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker9.______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker10.______________ AmplifierMicrophoneOscillatorBroadcast AntennaTuner-amplifierReceiverModulatorDemodulatorReceiver AntennaLoudspeaker
Answer:
broadcast antennamicrophonereceiverloudspeakeramplifierExplanation:
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26. Why tv antenna is a parabola?
Answer:
The most common shape, which is shaped like a dish and is known as a dish antenna or parabolic dish, is the most frequent. The primary benefit of a parabolic antenna is its great directivity. Parabolic antennas feature some of the highest gains of any antenna type, allowing them to create the narrowest beamwidths.
Step-by-step explanation:
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Answer:
The most common form is shaped like a dish and is popularly called a dish antenna or parabolic dish. The main advantage of a parabolic antenna is that it has high directivity Parabolic antennas have some of the highest gains, meaning that they can produce the narrowest beamwidths, of any antenna type.
27. In a receiving antenna, the gain describes how well the antenna converts radio waves arriving from a specified direction into electrical power. ... when no direction is specified, gain is understood to refer to the peak value of the gain, the gain in the direction of the antenna's main lobe.
Answer:
In a receiving antenna, the gain describes how well the antenna converts radio waves arriving from a specified direction into electrical power. ... A plot of the gain as a function of direction is called the gain pattern or radiation pattern.
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28. What are the best uses for the different kinds of antennas?Antenna Type: omnidirectional, sector and focused
Answer:
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29. What is the functions of receiver antenna?
Answer:
"The two functions of an antenna are: (1) For transmission of a signal, radiofrequency electrical energy from the transmitter is converted into electromagnetic energy by the antenna and radiated into the surrounding environment (atmosphere, space, water); (2) for reception of a signal, electromagnetic energy impinging ...
Explanation:
30. A 155-foot antenna is on the top of a tall building. From a point on the ground,the angle of elevation to the top of the antenna is 28.5,while the angle of elevation to the bottom of the antenna from the same point is 23.5. How tall is the building?
620 ft is the height of the tall building.
May this help. :)
