What is the process of converting alternating electric currents into electromagnetic waves called?
Antenna

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Science, Engineering
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6th - 12th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electromagnetic conversion
Wave transformation
Signal modulation
Current inversion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What factor primarily affects the distribution of electromagnetic waves?
The weather conditions
The power of the transmitter
The design of the antenna
The frequency of the waves
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of antenna is known for its significant directionality?
Dipole antenna
Low gain antenna
Omnidirectional antenna
High gain antenna
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which applications are high gain antennas typically used?
Underwater communication
Mobile phones
Television broadcasting
Radar or space communication
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of low gain antennas?
They require high power input
They are used only in space communication
They work equally well in all directions
They are highly directional
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