2 A student is investigating the resistance of a resistor.The circuit is shown in Fig. 2.1. A B and C D are lengths of resistance wire.R power supply◆○。wandering lead Dc Fig.2.1(a)The student connects the wandering lead to point B in the circuit. The readings of potential difference...
The voltage across a resistor in a circuit is 12 volts and the current through it is 2 amperes. What is the resistance of the resistor? A. 6 ohms B. 8 ohms C. 10 ohms D. 14 ohms 相关知识点: 试题来源: 解析 A。解析:根据欧姆定律,电阻等于电压除以电流,12 伏除以 2 安等于 6 欧...
resistance movement An organized effort by some portion of the civil population of a country to resist the legally established government or an occupying power and to disrupt civil order and stability. Dictionary of Military and Associated Terms. US Department of Defense 2005. Translations ---Select...
5 A student measures the current and the potential difference for a resistor in a circuit.Curene=(50.00±0.01)m A potential difference =(500.0 ± 0.1)mV The measurements are used to calculate the resistance of the resistor.What is the percentage uncertainty in the calculated resistance? D A ...
Resistor Fundamentals When you just start working with resistors you might wonder,what is a resistor? Or what exactly is theresistance of a resistor? Whenever you are working on circuits containing resistors,Ohm's lawdescribes the fundamental behavior of resistors.Kirchhoff's lawscan be used to an...
RThursday(using one letter for each day of week) RRussian(rabbit breed) RRural RRelevant(polygraphy) RRear RResistance RRouter RSet of Real Numbers(math) RRomeo(aviation letter code) RRestricted RRadical(chemistry) RRunner(Mic-O-Say, Heart of America Council, Boy Scouts of America) ...
10 A student investigates how the resistance of a piece of wire changes with voltage across the wire.The student connects an ammeter, a voltmeter, a battery, a variable resistor and the wire in an electrical circuit.(a)(i) Complete the diagram to show how the student should connect the ci...
百度试题 结果1 题目30 Which circuit can be used to determine the resistance of resistor R ?C AB CD VV AA RR RR AA 相关知识点: 试题来源: 解析 C 反馈 收藏
resistor- an electrical device that resists the flow of electrical current resistance ballast resistor,barretter,ballast- a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations) circuit,electric circuit,electrical circuit- an electrical device that prov...
“In the case of a resistor,the voltage-current relationship is given by Ohms law,which states that the voltage across the resistor is equal to the current through the resistor multiplied by the value of the resistance.“ 其中,“In the case of” 可译为:(