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Natali [406]
3 years ago
7

Which statement correctly describes sound waves

Physics
1 answer:
Alexxandr [17]3 years ago
3 0

Answer:

Sound waves are longitudinal waves

Explanation:

Sound waves are the longitudinal waves. In longitudinal waves, the particles of the wave move parallel to the direction of propagation of waves.

It moves in the form of compression and rarefaction. When the particles are compact in a space the compression occurs while when they far apart form each other rarefaction occurs.

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During a lie detector test, a voltage of 6V is impressed across two fingers. When a certain question is asked, the resistance be
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The current initially through the fingers is : 1.5 * 10⁻⁵ amp

The current when the resistance between them drops is : 3 * 10⁻⁵ amp

<u>Given data : </u>

Voltage ( V ) = 6 V

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Final resistance ( R ) = 200,000 ohms

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I = V / R

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Hence we can conclude that The current initially through the fingers is : 1.5 * 10⁻⁵ amp and The current when the resistance between them drops is : 3 * 10⁻⁵ amp

Learn more about current calculation : brainly.com/question/25922783

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