1.4. Low-resistance resistors which often have to dissipate power in the multiple watts range are usually wire-wound, whereas the more common, higher-resistance resistors are of carbon material in the shape of small cylinders or thin-film strips. Carbon is a nonmetallic material that can have ...
Resistance to something such as a change or a new idea is a refusal to accept it. resistance的反义词 e.g. The US wants big cuts in European agricultural export subsidies, but this is meeting resistance. 美国想大幅度削减欧洲农业出口补贴,但此举遭到了抵制。
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Also found in: Thesaurus, Medical, Encyclopedia. Related to Thermometer, Resistance: Platinum resistance thermometer resistance thermometer n (General Physics) an accurate type of thermometer in which temperature is calculated from the resistance of a coil of wire (usually of platinum) or of a ...
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Facebook Twitter Google Share on Facebook thermal resistance Also found in:Encyclopedia,Wikipedia. n. The resistance of a material or combination of materials to heat flow across a temperature gradient, usually measured in degrees Kelvin or Celsius per watt; the reciprocal of thermal conductance. ...
The change in the resistance of a material with the change in its temperature is expressed in terms of the temperature coefficient of resistance.In this article, we will discuss the temperature coefficient of resistance, its definition, derivation, formula, and examples. So let’s begin with the...
wire is twice the diameter of another, it's area is four times as great, so it's like having four wires in parallel, and the conductance is quadrupled, which is to say the resistance is quartered. If two wires are the same length and diameter, but one is made of a metal that ...
Ohm's original setup has been updated such that the current flowing in the circuit can be measured directly using an ammeter, and the voltage can be determined using a voltmeter. The setup can be replicated using a simple circuit consisting of a resistor, a copper wire, and different ...
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