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The usual value of the surge impedance of a telephone line is When a piece of copper and another of germanium are cooled from room temperature to 80 K then the resistance?
The usual value of surge impedance of a telephone line is 75 ohmsBy: Somorjit LukramTelecom Technical Assistant,NE-II Telecom CircleBSNL Imphal Manipur SSA
What are crystalline structures that conduct electricity without resistance when cooled to a certain temperature?
Superconducting materials.
What are the properties of thermometric material?
when objects are heated or cooled, their temperatures change, along with some of their properties, these properties are known as Thermometric Properties. Examples include: when objects are heated, they expand, when they are cooled, they shrink. Another is, if an object is heated, its' gaseos pressure will increase and will decrease when object is cooled.Read more: What_are_thermometric_properties
What makes zinc a superconductor?
a superconductor is a conductor that is at absolute 0 in temperature allowing free flow of electrons without slowing them down because of no resistance any conductor in theory can become a superconductor but has to be brought down to a very low temperature typically 0 kelvins
Why boil water and be cooled before getting the pH?
The pH depends on the temperature.
The usual value of the surge impedance of a telephone line is When a piece of copper and another of germanium are cooled from room temperature to 80 K then the resistance?
The usual value of surge impedance of a telephone line is 75 ohmsBy: Somorjit LukramTelecom Technical Assistant,NE-II Telecom CircleBSNL Imphal Manipur SSA
Is resistance inversely or directly proportional to temperature?
In most materials, resistance is directly proportional to temperature. This means that as temperature increases, resistance also increases. This relationship is described by the temperature coefficient of resistance, which varies for different materials.
What are crystalline structures that conduct electricity without resistance when cooled to a certain temperature?
Superconducting materials.
Which has the lowest resistance semiconductors superconductors insulator conductor?
Superconductors have the lowest resistance of all materials, with resistance dropping to zero when they are cooled below a certain critical temperature. Conductors have lower resistance than semiconductors and insulators, which have significantly higher resistance and do not conduct electricity as effectively.
What do you call materials with a resistance of 0 omega?
Materials with a resistance of 0 ohms are called superconductors. Superconductors exhibit zero electrical resistance when cooled below a critical temperature, allowing them to conduct electricity with no loss of energy.
What makes a super conductor?
A superconductor is a material that can conduct electricity without any resistance when cooled below a certain critical temperature. This results in zero electrical resistance and allows a current to flow without losing energy to heat.
What material has no electrical resistance?
Superconductors have no electrical resistance when cooled below a certain temperature, called the critical temperature. At this temperature, electrons can move through the material without any hindrance, allowing for the flow of electricity without any loss of energy.
Is cooled a verb?
Yes the word cooled is a verb. It is also an adjective to describe something at a lower temperature.
Do liquids have fixed temperature?
No. They can be heated or cooled.
What are properties of a superconductors what they are?
Superconductors are materials that can conduct electricity with zero resistance when cooled below a certain critical temperature. They also exhibit the Meissner effect, which expels magnetic fields from their interior. Superconductors have a critical magnetic field above which they cease to superconduct.
What type of welding machine use in spot welding or resistance welding?
Mainly In spot welding & resistance welding two type welding machines are used :- 1. Air Cooled & 2. water Cooled.
What is the recommended temperature for storing food after it has been properly cooled?
The recommended temperature for storing food after it has been properly cooled is below 40 degrees Fahrenheit.
