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A student has measured the length of a w...

A student has measured the length of a wire equal to 0.04580 m. this value of length has the number of significant figures equal to

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The given value of length has four significant figures 4,5,8 and 0.
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DISHA PUBLICATION-CHAPTERWISE NUMERIC /INTEGER ANSWER QUESTIONS-CHAPTER 29 : (COMMUNICATION SYSTEMS)
  1. A student has measured the length of a wire equal to 0.04580 m. this v...

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  2. An audio signal of amplitude 0.1 V is used is used in amplitude modula...

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  3. A transmitting antenna at the top of a tower has a height 32 m and the...

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  4. A telephonic communication service is working at carrier frequency of ...

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  5. For an amplitude modulated wave, the maximum amplitude is found to be ...

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  6. A radar has a power of 1kW and is operating at a frequency of 10 GHz. ...

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  7. An audio signal consists of two distinct sound. One a human speech sig...

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  8. In a communication system operating at wavelength 800 nm, only one per...

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  9. A TV transmission tower has a height of 140 m and the height of the re...

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  10. The modulation frequency of an AM radio station is 250 kHz, which is 1...

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  11. A 100 V carrier wave is mode to vary betqeen 160 and 40 V by a modul...

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  12. To double the covering range of a TV transimitter tower, its height sh...

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  13. The wavelength of the carrier waves in a modern optical fiber communic...

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  14. In a line of sight radio communication, a distance of about 50 is Kept...

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  15. A message signal of frequency 10 kHz and peak voltage of 10 volts is u...

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  16. A diode detector is used to detect an amplitudemodulated wave of 60% m...

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