As shown in the figure, which of the following situations will cause the BE junction of the transistor to be destroyed by a large current? ()[img=214x209]1803b84aea8e048.jpeg[/img]
A: BE is short-circuited
B: CE is short-circuited
C: Rb is short-circuited
D: Rc is short-circuited
A: BE is short-circuited
B: CE is short-circuited
C: Rb is short-circuited
D: Rc is short-circuited
举一反三
- 【单选题】The types of short-circuit in three-phase system are three-phase short-circuit, two-phase short-circuit, two-phase short-circuit grounding and single-phase short-circuit grounding. When the three phases of the system are short-circuited, they are still in the symmetrical stated. Other types of shorted circuit are asymmetric short circuit. Which of the following types is a symmetrical short circuit? A. Single phsae ground short circuit B. Three phase short circuit C. Two phase short circuit D. Two phase ground short circuit
- Which of the following is NOT included in the passage? A: If one sleeps inadequately, his performance suffers and his memory is weakened B: The sleep patterns of short sleepers are exactly the same as those shown by many mental patients C: Long and short sleepers differ in their attitudes towards sleep D: Short sleepers would be better off with more rest
- Which of the following is true about the two short plays?
- Which ones of the following belong to "X-sports" （short for extreme-sports）?
- 5. Which of the following is Not included in the passage? A: If one sleeps inadequately, his performance suffers and his memory is weakened B: The sleep patterns of short sleepers are exactly the sane as those shown by many mental patients C: Long and short sleepers differ in their attitudes towards sleep D: Short sleepers would be better off with more rest