In a purely inductive circuit, the current is 02:12 In a purely capacitive circuit, the current 04:36 Current in the circuit is wattless, if 01:26 With increase in frequency of an AC supply, the inductive reactance: 00:41 With an increase in the frequency of an AC supply the capacitiv...
D. It varies randomly. 相关知识点: 试题来源: 解析 A。解析:在串联电路中,电流处处相等。B 选项错误,增加电阻电流会减小;C 选项错误,不是增加电阻电流就减小;D 选项错误,不是随机变化。本题考查串联电路中电流的特点以及英语中“series circuit”的含义。反馈 收藏 ...
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 individual resistances. The current is the same through each component.”。 反馈 收藏 ...
A. Positive terminal to negative terminal B. Negative terminal to positive terminal C. Both directions randomly D. It depends on the type of circuit 相关知识点: 试题来源: 解析 A。在简单电路中,电流的方向是从电池的正极流向负极。反馈 收藏 ...
百度试题 题目In series circuit ,the current flowing through each element is 相关知识点: 试题来源: 解析 inversely proportional to resistance 反馈 收藏
In an electrical circuit the amount of current is measured in amperes (I), theamount of power in watts (W), and the resistance in ohms (R). The formula relat-ing these three quantities isI=√(W/R)Find the wattage in a system with 12 amperes and 9 ohms. 相关知识点: 试题来源: ...
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...
In a stable direct current circuit, inductance is equivalent to__ , and capacitance is equivalent to__ .的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,
15. The electric current, f, in microamperes (uA), in a circuit is given by the equation i=4sin(360t+11.5) , where t is the time (in seconds).a) Sketch a graph of the function for 500 min b) What is the amplitude of the[ C: 3 marks]current? [ A. 2 marks]c) What is...
百度试题 题目In an LC circuit with oscillating charge, what must be equal to zero when the current is equal to zero?相关知识点: 试题来源: 解析 The B field in the indu 反馈 收藏