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发布时间：2022-01-07
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Determine the inductor initial voltage （) [图]...
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更多“Determine the inductor initial voltage （) [图]...”相关的问题
第1题
the circuit of figure includes a switch that can be used to connect and disconnect a battery. The switch has been open for a very long time. At t=0 the switch closes, Determine the capacitor voltage as a function of timevc(t). 
第2题
The independent current source in the circuit shown in figure, generate zero current for t<0 and a pulse 10texp（-5t） ，for t>0. a) Sketch the current waveform. b) At what instant of time is the current maximum? c) Express the voltage across the terminals of the 100 mH inductor as a function of time d) Are the voltage and current at a maximum at the same time? e) Is there ever an instantaneous change in voltage across the inductor? If so, at what time?
第3题
the switch in the circuit shown has been closed for a long time and is opened at t=0. Find: a) the initial value of v(t). b) the time constant for t>0. c) the numerical expression for v(t) after the switch has been opened. d) the initial energy stored in the capacitor. 
第4题
The switch in the circuit show in figure has bee in position a for a long time. At t=0 the switch is moved to position b. a) what is the initial of vC? b) what is the final vlaue of vC ? c) what is the time constant of the circuit when the switch is in position b ? d) what is the expression for vC(t) when t>0 ? e) what is the expression for i(t) when t>0 ? f) plot vC(t) and i(t) versus t.
(n为单机台数)
第9题
常规扁平化图标如下图参考，尺寸200*200像素，圆环外直径180像素，里面的圆角正方形边长50像素，图标主体红色，背景白色。 要求参考样图分别绘制常规、长投影、渐变、投影四种扁平化图标，最后像实例一样放在同一个图片上。 
