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Because it is a nonmetal
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∙ 10y ago
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What are the disadvantages of low carbon steel?
Abrasion resistance is low.
Do conductors have high or low current?
Low resistance. Think of Ohm's law. Voltage drop is directly proportional to resistance. The higher the resistance, the higher the voltage drop, and the less voltage that is available for the load. Think of conductor resistance as a resistance in series with the load. Also, higher conductor resistance means more power lost, going to heating the conductors. The "line loss" formula is P=I2R. The greater the resistance, the greater the electrical power being converted into thermal power heating the conductors.
In electrical what is the oms low?
Voltage(E)=Amps(I) x Resistance(R) (ohms) use this formula to solve for other two.
Why brushes are made of only carbon graphite in dc machines?
The brushes are made up of carbon because it has low friction as compare to other materials and cheaply also, but carbon has high resistance due to which output can vary. So we mix carbon with copper metal to reduce resistance. Note that we cannot use copper only for brushes because it creates more friction with commutator.
Items that use low resistance wire?
Ni chrome is a low resistance wire used in heaters and toasters.
What type of resistance do conductors have?
Conductors have a (low) Electrical resistance.
What is the electrical resistance for a dry body?
low
What are the disadvantages of low carbon steel?
Abrasion resistance is low.
What are some examples of items with low conductivity?
Thermal resistance: diamond Electrical resistance: copper Optical resistance: quartz
What has a low resistance?
Silver and gold both have low resistances. Superconductors have zero electrical resistance. People with acquired immune deficiency syndrome (AIDS) also have low resistance to infection. Many women have a low resistance to my charming and magnetic personality.
Does gold have a high or low resistance?
Gold has a low resistance, which means it is a good conductor of electricity. This property makes it useful in various electrical applications where low resistance is needed for efficient conduction of electricity.
What is the name of a low resistance conductor in electrical engineering?
super conductor
What has low resistence?
Silver and gold both have low resistances. Superconductors have zero electrical resistance. People with acquired immune deficiency syndrome (AIDS) also have low resistance to infection. Many women have a low resistance to my charming and magnetic personality.
What is insulating material used for?
insulating materials have low thermal/electrical conductivity values and hence can be used in applications where resistance to heat or resistance to the passage of electrical current is required.
What do all electrical insulators have in common?
All electrical insulators have a high resistance to current flow.
What is specific-resistance?
Electrical resistivity is a measure of how a material opposes the flow of electric current. Copper is used for electrical lines because it has a low resistance relative to its cost. Gold and silver also have a low resistance, but imagine how expensive the power cord for your computer would be if it were made of gold!
Why is silver used in electrical equipment?
It has low resistance/good conductivity and it is resistant to corrosion
