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【判断题】
半导体二极管的基本特性是单向导电性。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】JC 1 .17 求题 1.17 图所示电路中的电压 U 和电流 I ,并求受控电源吸收的功率。
【简答题】(哈尔滨工业大学2006年考研试题)在图17—6所示非线性动态电路中，非线性电阻的电压、电流关系为u1=i12—4i1(单位：V，A；i1＞0)，非线性电容q=10-3uc2(单位：c，V)，电压源us(t)=15+ε(t)V。用小信号分析法求响应uc(t)。
【单选题】( )is used to measure the product of the power supplied to the antenna and the antenna gain in a given direction relative to an isotropic antenna.
A.
Voltage
B.
Ampere
C.
VA
D.
EIRP
【判断题】If the buyer is not price sensitive and uneducated,and the supplier’s product is highly differentiated, the supplier power is high.
A.
正确
B.
错误
【简答题】Translation 2. The power absorbed or supplied by a circuit element is the product of the voltage across the element and the current through it.
【简答题】Electric power is the mathematical product of twoquantities: current and ________.A. power B. voltage
【简答题】III. Translate English into Chinese:把下列句子翻译成中文 1. An electric circuit is an interconnection of electrical elements. 2. Electric current is the time rate of change of charge. 3. Voltage (or potential d...
【单选题】Supplier power is ________ if the buyer is not price sensitive and uneducated regarding the product. If the supplier’s product is highly differentiated, then supplier bargaining power is ________.
A.
strong; strong
B.
strong; weak
C.
weak; strong
D.
weak; weak
【简答题】Electric power is the mathematical product of twoquantities: current and ________.
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