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1#
发表于 2008-2-3 21:52:36 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Basic Electrical Engineering


  • Ohms law:
Write down the equation for ohms law for the circuit:






  • What do the +, - and the arrow mean?
a)
This is a d.c.circuit or voltage;

b)
The sign convention(
参考方向)


for voltage and current

c)
No Special meaning



  • Capacitance:
What is the impedance of the capacitance in complex notation(符号法或相量法来表示)?



  • Inductance
What is the impedance of the inductance in complex notation? (符号法或相量法来表示)



  • Series Combination:
What is the total complex impedance:
What is the real part? (实部)
What is the imaginary part? (虚部)






  • Parallel combination:
What is the total complex impedance?
What is the real part? (实部)
What is the imaginary part? (虚部)











2#
 楼主| 发表于 2008-2-3 21:54:18 | 只看该作者

training

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