Which of the following explains how electricity flows? Protons flow from the positive end of a source towards the negative end.E
lectrons flow from the negative end of a source towards the positive end.
Protons flow from the negative end of a source towards the positive end.
Electrons flow from the positive end of a source towards the negative end.
Protons flow from the negative end of a source towards the positive end.
Electrons flow from the positive end of a source towards the negative end.
1 answer:
I know for a fact the answer would (not) be the last option. This would not be a way that electricity would be able to really flow.
Your correct answer would be of when the "e<span>lectrons flow from the negative end of a source towards the positive end."
This would be because when the electrons would be free, they would have enough energy to then move from the negative side of the end, to the positive side.</span>
Your correct answer would be of when the "e<span>lectrons flow from the negative end of a source towards the positive end."
This would be because when the electrons would be free, they would have enough energy to then move from the negative side of the end, to the positive side.</span>
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The pressure gets increased to 486 kPa from 405 kPa, when the volume is decreased from 6 cm³ to 4 cm³.
Explanation:
In the present problem, the temperature is said to remain at constant and there is change in the pressure. So according to Boyle's law, the relationship between pressure and volume of any gaseous objects are inversely related to each other. In other words, the pressure attained by gas molecules in a container will be inversely proportional to the volume of the gas molecules occupied in the container, at constant temperature.
So, if two volumes V₁ and V₂ are considered, then their respective pressure will be represented as P₁ and P₂. Then, as per Boyle's law,
So let us consider, V₁ = 6 cm³ and V₂ = 4 cm³ and pressure P₁ = 405 kPa and we have to determine P₂.
Then,
So, the pressure at new volume of 4 cm³ is 486 kPa. It can be seen that as there is decrease in the volume, there is an increase in the pressure. So it satisfied the Boyle's law.
Thus, the pressure gets increased to 486 kPa from 405 kPa, when the volume is decreased from 6 cm³ to 4 cm³.