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What is the cross sectional area a cement pipe 2 in thick with inner diameter of 3 f?
7.07 square feet
Do thick wires have high or low resistance?
Low resistance.AnswerSince resistance is inversely proportional to the cross-sectional area of a conductor, increasing the diameter ('thickness') of a conductor will reduce its resistance.For example, doubling the diameter of a circular-section conductor will quadruple its cross-sectional area, and reduce its resistance by one quarter.
Which has the greatest resistance a thick wire or a thin wire of the same length?
A thin wire will have greater resistance than a thick wire of the same length. This is because resistance is inversely proportional to the cross-sectional area of the wire. Thinner wires have smaller cross-sectional areas, leading to higher resistance.
Thin wires resist electricity more or less than thick wires?
A thin (smaller diameter) wire resist more electricity than a thick (larger diameter) wire. Just like a larger pipe will allow more water to flow than a smaller pipe, a larger wire has more cross-sectional area to allow more current to flow.
Which has the lowest resistance thin wire or thick wire?
A thin wire will have higher resistance than a thick wire. This is because resistance is inversely proportional to the cross-sectional area of the wire - a thicker wire has a larger cross-sectional area compared to a thin wire, so it offers less resistance to the flow of current.
How thick is the inner core of the earth?
The inner core of the Earth is approximately 1,200 kilometers (745 miles) thick. It is a solid metal sphere primarily composed of iron and nickel at extreme temperatures and pressures. The inner core is surrounded by the liquid outer core.
What has a lower resistance a long thin iron wire at high temp or a short thick copper wire at low temp?
A short thick copper wire at low temperature would have lower resistance compared to a long thin iron wire at high temperature. This is because resistance is inversely proportional to cross-sectional area and directly proportional to temperature and length of the wire. The short thick copper wire has a larger cross-sectional area, which results in lower resistance.
Does a short thick metal wire or a long narrow metal wire have more resistance?
A long narrow metal wire would have more resistance compared to a short thick metal wire. Resistance is directly proportional to the length of the wire and inversely proportional to the cross-sectional area, so a longer wire with a smaller cross-sectional area will have higher resistance.
What is the smallest blood vessel in the body?
Actually the smallest blood vessels are capillaries. These blood vessels are only about 1 cell thick and is where the gas and nutrient exchanges occur. It is also the cross-bridge between vein and arteries.
How thick is the inner layer?
2000 km thick
How thick in the inner core of the earth?
1200 km thick
How thick is the inner mantle?
The inner mantle is approximately 2,900 kilometers thick. It is composed of solid rock that behaves like a very thick paste over long periods of time.
