β is the ratio of _____. A: collector current to emitter current B: base current to collector current C: collector current to base current D: emitter current to collector current

when a transistor is in the forward-active mode, the collector current is constant with a constant base current

When a BJT is in cutoff, the collector-to-emitter voltage is typically equal to _____ A: collector supply voltage B: collector current times collector resistor C: 0.3 Volts D: emitter voltage

When a BJT is biased in the cutoff region the collector-to-emitter voltage is typically equal to （ ）. A: the emitter voltage B: the collector supply voltage C: 0.03 V D: the collector current times the collector resistor

What is the “Energy Collector” in the conversation?

When a BJT has its base-emitter junction reverse biased and its collector-base junction reverse biased, it is in the （    ）.

To a common-collector(CC) amplifier, its collector is at ac ground

Why is the garbage collector highly respected in the Miguel Street?

标准以太网指的是 ( ) A: 10 BASE 5 B: 10 BASE 2 C: 10 BASE T D: 100 BASE T

（6-2）定义如下Base类，能在(1)处正确调用Base的构造方法。 class Base{ int x,y; Base(int x){} Base(int x,int y){ //(1)调用Base的构造方法 } }