What is the function of a battery in a circuit? A. To provide resistance. B. To measure current. C. To provide voltage. D. To measure resistance. 相关知识点: 试题来源: 解析 C。解析:电池在电路中的作用是提供电压。选项 A 提供电阻错误;选项 B 测量电流错误;选项 D 测量电阻错误。
C. To prevent overloading. D. To change the direction of the current. 相关知识点: 试题来源: 解析 C。解析:保险丝在电路中的主要作用是防止过载。选项 A,保险丝不能增加电压。选项 B,测量电流的是电流表等仪器。选项 D,保险丝不能改变电流方向。阅读时要抓住“fuse”“electrical circuit”等关键词...
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GND full form is ground. it is very commonly used in electrical engineering as a basic concept. It works as a reference point of voltage in circuits and protects the circuit and the person working the circuit. It is a common return path of current to a p
A. It is different through each component. B. It is the same through each component. C. It is zero through each component. D. It is random through E. ach component. 相关知识点: 试题来源: 解析 B。解析:文中提到“In a series circuit, the total resistance is the sum of the indivi...
题目28 Study the electrical circuit below.)A C)B EWhat is the minimum number of swilches that has to be closed so that bulbs A. B and F will light up?(1)(1)3(2)4(3)5(4)6 相关知识点: 试题来源: 解析 (1) 反馈 收藏
In a series LCR circuit, at resonance, power factor is …….. . View Solution In a LCR series a.c. circuit ……….. power is dissipated at resonance, as value of power factor is……… View Solution Exams IIT JEE NEET UP Board...
Open circuit voltage (or potential) is voltage which is not connected to any load in a circuit. See the two examples below to see the difference between open circuit voltage with a voltage source which is in a closed circuit and connected to a load. ...
A logic circuit is a circuit that performs a processing or controlling function in a computer. This circuit carries out logical operations on information to process it.And gate, Flip-flop, Hardware terms, Logical decision, Nand gate, Not gate, Or gate...