in an inductive circuit comprising a coil the circuit including a power transistor having its emitter collector circuit connected in series with the coil, an input transistor for controlling the power transistor and a resistor for providing a signal representative of the current flowing in the coil....
Too much electric current may flow into a circuit as a result either of a fault in the circuit and of an outside event such as lightning.相关知识点: 试题来源: 解析 正确答案:and一or 解析:译文:电路故障或者诸如闪电等外部事件会导致进入电路的电流过大。分析:考查固定搭配。as a result of意为...
A flow of positive charges gives the same electric current, and has the same effect in a circuit, as an equal flow of negative charges in the opposite direction. Since current can be the flow of either positive or negative charges, or both, a convention for the direction of current whic...
百度试题 结果1 题目A circuit may be defined as a path for current flow. 前后两个下划线介词短语分别充当___。相关知识点: 试题来源: 解析 补语……定语 反馈 收藏
aIf an appliance becomes faulty,there is a danger that too much current may flow in a circuit which could damage the appliance or harm the user.To avoid this problem,fuse are included in most household circuit and appliances. 如果器具变得有毛病,有危险许多潮流在可能损坏器具或危害用户的电路也许...
Why is '-ed' sometimes pronounced at the end of a word? Popular in Wordplay See All Terroir, Oenophile, & Magnum: Ten Words About Wine 8 Words for Lesser-Known Musical Instruments 10 Words from Taylor Swift Songs (Merriam's Version) ...
一个很傻的英语问题高二electric charges___ in a circuit can do work.a.flowed b.flowing c.to flow d.having flowed choose?reason?
1 课文里面提到In a complete circuit,electrons flow from the negative terminal to thew positive terminal of the battery下面又写Electrons flow from the anode to the cathode in the external circuit.上面那句能明白,下面那句不懂什么意思,=) 2课文里面提到:In a complete circuit,electrons flow from ...
30 Which row describes conventional current and electron flow in a circuit containing a cell? C conventional current electron flow Afrom the negative terminal of the cell from the negative terminal of the cell to the positive terminal of the cell to the positive terminal of the cell Bfrom the...
aVoltage is the difference in electrical potential between two points in a circuit. It's the push or pressure behind current flow through a circuit, and is measured in (V) volts. 电压是在电子潜力上的区别在二点之间在电路。 它是推挤或压力在潮流之后流经电路和用(V)伏特被测量。 [translate] ...