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Why is the cross sectional area the greatest in the lower course of the river?
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What type of wire increases when it is made thinner?
Since resistance is inversely-proportional to cross sectional area, the lower the cross-sectional area, the higher the resistance. So ALL types of wire exhibit this behaviour!
What is the cross sectional area of a wire?
If you slice a wire cleanly and then look at the cut end, you see a little circle at the end. The area of that circle is the "cross-sectional area" of the wire. The larger that area is, the lower the DC resistance of the wire is.
Where does a river carry the greatest volume of water?
The lower course i think...
Why does the upper course of a river valley have a different cross profile from the lower course?
It is very steep at the top and narrow but. At the bottom it isn't steep.
What has the least amount of resistance a semi conductor insulator resistor or a conductor?
Traditionally, a conductor has the least resistance of the three, followed by the semiconductor and finally the resistor.
Why is it that the thicker copper wire the more amps produced?
A wire does not produce amps. A wire with a larger cross sectional area allows more amperage to pass through it with less voltage drop due to a lower resistance.
Is a weir upper course or lower course?
lower course
Are the primary and secondary of a transformer having same thickness.why?
Unless the transformer is an isolation transformer, whose primary and secondary voltages are the same, the cross-sectional area of the primary and secondary winding conductors are normally different. The higher-voltage winding has a smaller current flowing through it than the lower-voltage winding when the transformer is loaded. So the higher-voltage winding is manufactured using a conductor with a smaller cross-sectional area, therefore a smaller diameter.
How do you selecte cable for load?
if your load draws a max of 15 amps then you would use 14-16 gauge wire. the lower the gauge the more current that is allowed to pass. there are charts that show max current for diameter of wire
When testing a power transformer with an ohmmeter which winding should have the largest ohmic value?
The higher-voltage winding has more turns (therefore its conductor will be longer) than the lower-voltage winding and, because it will carry less current, its conductors will have a lower cross-sectional area. Consequently, the higher-voltage winding will have a higher resistance than the lower-voltage winding.
Where are pebbles in a river upper middle or lower course of a river?
the pebbles will be in the lower course of a riverthe pebbles will be in the lower course of a river
Describe the cross profile of a river's lower course?
As a river continues its journey towards the sea, the valley cross section continues to become wider and flatter with an extensive floodplain either side of the channel. The river erodes laterally and deposition also becomes important. By the time it reaches the lower course the river is wider and deeper and may contain a large amount of suspended sediment.
