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Why the singnal of wireless/Tv in db value? and why it is
showing in minus(-)?
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Answer Posted / shivaleela
Here db(logarithmic unit) stands for Decibel. In humans the
audible range of frequencies is usually said to be 20 Hz
(cycles per second) to 20 kHz (20,000 Hz). It may be harmful
for human ear if it exceeds that range.Hence the value of dB
is always -(minus).
| Is This Answer Correct ? | 18 Yes | 9 No |
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