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There is an antenna, but it's inside the case.
(Incidentally, this is the root of the uproar about the iPhone 4's antenna issues. The antenna was on the outside of the phone, causing people to muffle its antenna-ness when holding it tightly.)
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∙ 10y ago
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How does a radio telescope gather data?
a radio telescope focuses the incoming radio waves on a antenna, which absorbs and transmits these waves to an amplifier, just like a radio antenna.
Do walkie talkies use radio waves?
Yes. A good rule of thumb is that if the device has an antenna, it uses radio waves. An antenna would not be needed if it didn't use radio waves.
What does a radio need to pick up radio waves?
antenna
How does waves in the air get to a radio?
They are picked up by the antenna.
What should be the position of the antenna with respect to direction of the transmitted radio waves?
A dish antenna must face the arriving waves.
What should be the position of the antenna with respect to the direction of the transmitted radio waves?
A dish antenna must face the arriving waves.
Which part of your radio receivers the electromagnetic waves sent out from a radio station?
The antenna does that.
How can radio waves convers to electrical energy?
An antenna picks up radio waves and converts them to electrical current
Why are gain produced in antenna?
A simplified explanation is that the antenna does for radio waves what a lens does for light because of physics.
Why antenna is not made by wood?
Wood does not conduct the radio waves. Metal does.
Is the radio a source of the waves?
The source is the RF current in the transmitting antenna.
Cell phone signals are transmitted by?
radio waves radiation
