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प्रश्न
Which description identifies how radio waves are mainly produced?
विकल्प
Nuclear transitions
Accelerated charges in transmitting antennas
Very hot bodies and electric arcs
High-speed electrons striking a metal target
MCQ
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उत्तर
Radio waves are mainly produced by accelerated charges in transmitting antennas. Oscillating charges in electrical circuits are also a common source of radio waves.
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