题目内容 (请给出正确答案)
[主观题]

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

提问人:网友lwxmeme 发布时间:2022-01-07
参考答案
查看官方参考答案
如搜索结果不匹配,请 联系老师 获取答案
更多“β is the ratio of _____.”相关的问题
第1题
Use of historical cost accounting means asset values can be reliably verified but it has a number of shortcomings which need to be considered when analysing financial statements.Which of these is a possible result of the use of historical cost accounting during a period of inflation?

A、Overstatement of non-current asset values

B、Overstatement of profits

C、Understatement of interest costs

D、Understatement of ROCE

点击查看答案
第2题
Volumetric efficiency is the ratio of
A.theoreticalflowratetoactualflowrate

B.inputpowertooutputpower

C.outputpowertoinputpower

D.actualflowratetotheoreticalflowrate

点击查看答案
第3题
1. The purpose of quatation is to _______cost from various suppliers.
点击查看答案
第4题
A given BJT has an emitter current of 12 mA and a base current of 600 μA. What is the value of βdc?

A、20

B、21

C、19

D、200

点击查看答案
第5题
A given BJT has an emitter current of 15 mA and a collector current of 14.95 mA. What is the exact value of β?

A、300

B、299

C、1.003

D、250

点击查看答案
第6题
A given BJT, β = 400. What is the value of α for the device? _______

A、1.0025

B、0.002

C、0.9975

D、1.00

点击查看答案
第7题
A given BJT has an alpha of 0.9985 and a collector current of 15 mA. What is the value of base current?

A、15.15 mA

B、14.85 mA

C、15 mA

D、None of the above

点击查看答案
第8题
A given transistor has ratings of maximum collector current equal to 200 mA and a beta that varies between 150 and 200. What is the maximum allowable value of base current for the device?

A、1 mA

B、4 mA

C、1.33 mA

D、None of the above

点击查看答案
第9题
1.What is the major difference between bipolar and unipolar device? 双极型器件和单极型器件的主要区别是什么?
点击查看答案
第10题
2.Which of the transistor current is always the largest? Which is always the smallest? Which two currents are relatively close in magnitude? 晶体管中那个电流总是最大?那个电流总是最小?那两个电流在大小上非常接近?
点击查看答案
账号:
你好,尊敬的用户
复制账号
发送账号至手机
密码将被重置
获取验证码
发送
温馨提示
该问题答案仅针对搜题卡用户开放,请点击购买搜题卡。
马上购买搜题卡
我已购买搜题卡, 登录账号 继续查看答案
重置密码
确认修改
欢迎分享答案

为鼓励登录用户提交答案,简答题每个月将会抽取一批参与作答的用户给予奖励,具体奖励活动请关注官方微信公众号:简答题

简答题官方微信公众号

警告:系统检测到您的账号存在安全风险

为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!

微信搜一搜
简答题
点击打开微信
警告:系统检测到您的账号存在安全风险
抱歉,您的账号因涉嫌违反简答题购买须知被冻结。您可在“简答题”微信公众号中的“官网服务”-“账号解封申请”申请解封,或联系客服
微信搜一搜
简答题
点击打开微信