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Alex777 [14]
3 years ago
10

In the diagram, the trough of the wave is shown by:

Physics
1 answer:
Kisachek [45]3 years ago
3 0

Answer:

the correct representation of the trough is b

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Which property of the sound wave changes when the volume is increased on a radio?.
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Answer:

amplitude

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When we increase the volume of a sound, the amplitude of the wave is increased. The frequency of a wave is related to its pitch. If the pitch is high, then the frequency of the wave is high. This means that the wave will looked squashed on an oscilloscope trace.

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1. The 10-min unithydrograph for a 2.25 km2 urban catchment is given by:(a) estimate the run off hydrograph for a 10-min rainfal
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Answer:

A ) Find the direct runoff depth; d =V A 22,698 _ 2.25x106 =0.01m =1cm The above result shows that the given hydrograph qualifies as a unit hydrograph. .

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3 years ago
What is the output voltage from a step up transformer with 25 turns in the primary coil and 75 turns in the secondary coil if th
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Answer:

360 V

Explanation:

We can use the transformer equation:

\frac{V_p}{N_p}=\frac{V_s}{N_s}

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Substituting into the equation, we can find the output voltage:

V_s = N_s \frac{V_p}{N_p}=(75)\frac{120}{25}=360 V

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