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The typical antenna in an AM radio is a ________

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The typical antenna in an AM radio is a ________

(a) dipole

(b) helical

(c) ferrite “loop-stick”

(d) loop dipole

The question was asked during an internship interview.

The doubt is from Synchronous TDM in chapter Multiplexing & Sampling of Bandpass Signal of Analog Communications

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Correct choice is (c) ferrite “loop-stick”

To explain: A ferrite rod antenna is a form of RF design that is universally used in portable transistors broadcast receivers. It is also being used increasingly in wireless applications in areas such as RFID. It is a type of typical antenna in an AM radio. Dipole antenna is the simplest form of antenna. Helical antenna is antenna having quarter wavelength.

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