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To test for resistance in a circuit should be energized or de-energized?
To test resistance in a circuit, it should be de energized. Measuring on a live circuit can damage equipment and give incorrect readings.
A piece of wire 100 m long has a diameter of 1 mm with a resistance of 2 ohms calculate the resistance of the same wire 2 km long with the same current?
If the wire length is 100m and the Diameter is 1mm calculate the Resistance of wire?
A piece of wire is stretched such that its length increases and its radius decreases the resistance of the wire will tend to?
A piece of wire stretched such that its length increases and its radius decreases will tend to have its resistance increase. The formula for this is: R = ρL/A where ρ = resistivity of the material composing the wire, L = length of the wire, and A = area of the conducting cross section of the wire. It can easily be seen that as area decreases resistance gets higher. In the case proposed the wire length is not reduced as it is stretched to reduce the area, this increases the resistivity as well.
How cigarette lighter with small piece of electric coil withstand with high current?
A: That small coil is micron wire it has resistance. Current trough it makes it to glow
What is the difference between positive and negative temperature coefficient of resistance?
Negative temperature coefficient of resistance means that as the temperature of a piece of wire or a strip of semiconducting material increases, the electrical resistance of that material decreases.
What does 'piece de resistance' mean?
Piece de resistance is a culinary term. It is the most substantial part of the meal, the part that will take longest to eat and be most filling.
What is the correct use and meaning of the phrase piez de resistance sic?
The "piece de resistance" is the most important piece in a collection, or showcase. The piece de resistance for a comedian would be his best joke; for a chef, his prized dish; for a museum, its most valuable artifact. It can also refer to any outstanding accomplishment. french: piece with lastingness, or staying power.
What is more familiar in French than piece de resistance?
Pièce de résistance (in a meal) is more comonly called "le plat" or "le plat principal".
Is the resistance of a 1 ft piece of copper wire the same as a 2 ft piece?
No
Why would a crumpled piece of paper hit the ground before a flat piece of paper?
Because a flat piece of paper has a larger surface area and therefore more wind resistance. But in a crumbled piece of paper the wind resistance is less.
Why does a flat piece of paper fall slower than a crumbled piece of paper?
A flat piece of paper has a larger surface area, creating friction with the air, or more air resistance. There is more air surrounding the piece of paper, and this slows it down. A crumpled piece of paper has less surface area to create friction, meaning less air resistance. This causes it to fall faster.
Running a boy and running a boy with piece of card in front what you feel the most air resistance?
The boy running with a piece of card in front will experience more air resistance compared to just the boy running alone. This is because the piece of card will create additional drag as it catches more air.
What is a piece of paper in the Spanish language?
A piece of paper in Spanish is generally referred to as "una hoja de papel."
In what time signature is the piece "Clair de Lune" composed?
The piece "Clair de Lune" is composed in 9/8 time signature.
Is a piece of chalk a conductor or an insulator?
A piece of chalk is an insulator. It does not conduct electricity due to its high resistance to the flow of electrical current.
How do you say A piece of in french?
une partie de... un morceau de.......
A piece of copper wire was cut into n equal parts these parts are connected in parallel how will the resistance of the parallel combination compare with the resistance of the wire?
The resulting resistance of the parallel combination will be the resistance of the original wire divided by n squared.
