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What is excessive electrical resistance?
High resistance means insulation
Is high electrical resistance good or bad?
electrical resistance is when something resists the electrical current .. eg rubber hope it helped
Why does nichrome get hot?
Nichrome has a high electrical resistivity.
Is copper low or high resistance?
Copper is known for its low electrical resistance, making it a highly conductive material. This property of copper makes it ideal for use in electrical wiring and other applications where efficient electrical conductivity is required.
What are the physical properties of polycarbonate plastic?
Polycarbonate plastic is known for its high impact resistance, transparency, and thermal resistance. It is also lightweight and has good electrical insulation properties.
Wires with high resistance change electrical energy into what?
Wires with high resistance change electrical energy into heat energy. This occurs due to the resistance in the wire hindering the flow of electrons, causing them to collide and generate heat.
Does the electrical current move slower or faster in wires with high resistance?
Electrical current moves slower in wires with high resistance. High resistance impedes the flow of electrons, causing a reduction in current for a given voltage, according to Ohm's Law (V = IR). Therefore, as resistance increases, the current decreases, resulting in slower movement of electrical charge through the wire.
What are some ways a material's electrical resistance is used to accomplish a certain job?
A good example of electrical resistance is the heating element on a stove top it is a very poor conductor (high electrical resistance) because it is a poor conductor the electrical energy is converted to heat. Glass is one of the best insulators because its electrical resistance is so high it is a non conductor this lets us use it on high power lines to keep the electricity from coming in contact with the ground.
Does copper have a electrical conductivity?
Yes, indeed: one of the highest electrical conductivities of any known substance.
What are bad conductors known as?
Bad conductors are known as insulators. They have high resistance to the flow of electricity and are commonly used to prevent the passage of electrical current. Examples include rubber, glass, and plastic.
Which electrical device must have high resistance in order to function properly?
voltmeter
What affects the electrical resistance of a body?
The electrical resistance of a body is affected by the material it is made of, its length, cross-sectional area, and temperature. Materials with high resistivity, longer lengths, smaller cross-sectional areas, and higher temperatures will have higher electrical resistance.
