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 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

下列哪种引脚称为三态引脚?: 发射极开路输出引脚(Open Emitter Pin).|被动式引脚(Passive Pin)。|集电极开路输出引脚(Open Collector Pin)。|高阻抗引脚(HiZ Pin)。

What is the “Energy Collector” in the conversation?

Electrical Type：引脚的电气性质。① Input：输入引脚。② IO：输入/输出双向引脚。③ Output：输出引脚。④ Open Collector：集电极开路型引脚。⑤ Passive：无源引脚（如电阻电容的引脚）。⑥ HiZ：高阻引脚。⑦ Emitter：射极输出。⑧ Power：电源（如VCC和GND）。

The United States is the world’s No.1 emitter of greenhouse gases.

“粒子”特效的属性Emitter能设置粒子的形状

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

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