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
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。
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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...
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”等关键词理解其在电路中的作用。反馈 收藏
A. To increase the voltage. B. To decrease the current. C. To increase the current. D. To change the direction of the current. 相关知识点: 试题来源: 解析 B。解析:在简单电路中,电阻器的作用是减小电流。电阻器不能增加电压,也不能增加电流,更不能改变电流方向。反馈...
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TIP:if you can't easily find where your circuit is open, amultimetercan be very useful tool. If you set it to measure volts, you can use it to check the voltage at various points in your powered circuit, and eventually find the point where voltage isn't getting through....
1【题目】Circuit电路Do you have any idea what a circuit is? It is a road where electricityflows. How can you light a bulb with two wires? First, you need one wire toconnect one end of the battery and the bulb. And you connect the other endof the battery and the bulb with another...
A circuit is a road where flows. You always need to make a circuit. Without a, we cannot use electricity at all. 相关知识点: 试题来源: 解析 Passage 070 Circuit I . 1. wires 2. electricity 3. bulb 4. battery II . 1. Two. 2. Everywhere. electricity; wires; circuit 反馈 收藏 ...