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Having material with high resistance is beneficial in applications where you want to limit the flow of electricity, such as in resistors or heating elements. High resistance materials can also provide stability and durability in harsh conditions where lower resistance materials might fail.
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What happens if a material does not allow charges to move through it easily?
If a material does not allow charges to move through it easily, it is considered an insulator. Insulators have high electrical resistance and do not conduct electricity well. This property is useful in applications where we want to prevent the flow of electric current.
Why does a heating element get hot when current flows?
The current is doing work against the resistance of the material which makes up the heating element.Because it has resistance.-- Whenever electric current flows through a resistance, it loses energyequal to (current-squared) x (resistance).-- When we connect components in an electrical circuit, we use wire withthe least possible resistance, so as not to lose energy in the wiring.-- When we want to warm up the lab, we use wire with significant resistance,in order to have it dissipate significant energy and radiate heat.
What TA make a good insulator?
Trapped air makes a good insulator.
What is the difference between resistor and resistance?
Resistance is the property of a conductor, which determines the quantity of current that passes through it when a potential difference is applied across it. A resistor is a electrical componet with a predetermined electrical resistance, like 1 ohm, 10 ohms 100 ohms 10000 ohms etc.. depending on how much current you want to pass through a circuit, you would design the circuit with the required resistors
Does a high temperature wire have more resistance?
Ideally, an electrical fuse should not have a high resistance. It will generally have some, because the way most cartridge fuses work is by heating a thin filament to the melting point when a certain current flows through it. The heating is resistive heating, which is given by the equation P = I2R, or power = the square of the current times resistance. <> The above is 100% correct, I just want to add: A fuse does not reduce the power in any way, It simply does not allow too much power to be taken. Example: You can use A 100amp fuse on A 10amp motor, The power supply will be 10amps because that's all the motor requires, but if there is a short or the motor is over worked the fuse will allow more chance of damage because its way too big for the job. Another: If A 10amp fuse is used to protect A 100amp motor the motor will blow the fuse everytime its terned on, because the fuse will not allow the motor the necessary power to opperate.
Why might you want to use a material with high resistance?
High Resistance Opposes the flow of Electricity that results into production of Heat and Light.
What physical properties would a manufacturer want in a material to use for building a race car engine?
A manufacturer would want a material with high strength-to-weight ratio, good heat resistance, and high fatigue resistance to withstand the high speeds and temperatures encountered in a race car engine. Additionally, good machinability and dimensional stability are important for precise and reliable performance.
Where would you want to have a high resistance?
I would want to have high resistance in environments that require durability and longevity, such as in electrical components to prevent overheating and failures. High resistance is also desirable in materials used for insulation, ensuring safety and efficiency in various applications. Additionally, in physical fitness, high resistance training can enhance muscle strength and endurance, contributing to overall health.
What happens if a material does not allow charges to move through it easily?
If a material does not allow charges to move through it easily, it is considered an insulator. Insulators have high electrical resistance and do not conduct electricity well. This property is useful in applications where we want to prevent the flow of electric current.
What is the best shovel handle grip material?
You might want to go with this type of solid polyethylene D-grip handle to prevent calluses, but this material might wear out over time.
Should dogs get high?
Well its not a great idea, as they might be allergic to the product to use them get high, but I'm not a dog so they might want to get high. it very unlikely though.
What can projector screen material be fixed with?
Projector screen material can usually be fixed with white seamless paper. One might want to look at the material used in the original screen to preserve quality.
Can you recycle fake plants?
It depends, what material the object is made of, if plastic and paper you might be able to, but anything eles you might want to throw it away.
Why does a heating element get hot when current flows?
The current is doing work against the resistance of the material which makes up the heating element.Because it has resistance.-- Whenever electric current flows through a resistance, it loses energyequal to (current-squared) x (resistance).-- When we connect components in an electrical circuit, we use wire withthe least possible resistance, so as not to lose energy in the wiring.-- When we want to warm up the lab, we use wire with significant resistance,in order to have it dissipate significant energy and radiate heat.
Why some materials offer different resistance?
SOunds like a homework question. But ok I'll answer. Ceramics is one major material used for resistance. BUT if you want to impress your teacher, you can say that ALL materials (even gold) offers some level or resistance, just very little)
What might be an occasion for why someone would want to lose weight?
High School Reunion!
Do cerals have High Fructose Corn Syrup in them?
Some do you might want to look at the ingredients
