第一题说的是,电容没有电,开关闭合后的过程:总电流经R1后,分两路,一路静R2,一路经C(充电电流),所以流经R1的电流比流经R2的电流大!第二题说的是,开关并和很久了,电路稳定了,这是电容充满,没有充电电流,所以R1 、R2的电流相等! Aavivachc 小学生 1 此题已经解决,初到贵吧,大家很友好很聪明,祝大家...
In the circuit shown in the following Figure .I=( ). A、6A B、4A C、2A D、-2A 点击查看答案 你可能感兴趣的试题 多项选择题外圆表面的光整加工主要有:() A. 高精度磨削 B. 超精加工 C. 研磨 D. 珩磨 E. 抛光 点击查看答案 多项选择题以下说法正确的是() A、线性分组码的编码规则可用...
相关知识点: 试题来源: 解析 【解析】h) In the circuit shown VC=+18V and VE=-18V, write down the voltage atA0.5V是同相输入比例放大器B0.5V是电压跟随器C-5v是反相输入比例放大器D_()+18V 是电压比较器物理狼群
结果1 题目After the switch is closed in the circuit shown, the current t seconds later is I(t) =0.8^(-3t)sin 10t. Find the current at the times (1)t=0.1 s (2)t=0.5 s 相关知识点: 试题来源: 解析 (1)t=0.5 amp (2)t=0.5 amp ...
百度试题 题目In the circuit shown in the following Figure ,the voltage between the A and B ,UAB is (). A.-2VB.2VC.-1VD.3V相关知识点: 试题来源: 解析 AB
In the circuit shown, I1 =( ) A. 0.5 A B. -1 A C. 2 A D. 1 A 点击查看答案 你可能感兴趣的试题 不定项选择 全水系统不补充室外新鲜空气,所以不能保证室内的空气品质。 A.正确 B.错误 点击查看答案 多项选择题 受城乡二元经济结构影响,农村支付市场存在、___等特点,发卡和受理环境...
As the circuit shown in the following figure, when 3A current source is open-circuited, the power delivered from 2A current source is 28W, and U2 = 8V. When 2A current source is open-circuited, the power delivered from 3A current source is 54W, and U1 = 12V. Find the power delivered...
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百度试题 题目中国大学MOOC: The circuit shown in the figure is equivalent to an( ).图中所示电路等价于一个( )。 相关知识点: 试题来源: 解析 NOR gate“或非”门