图示电路中,[img=28x22]18032d619e19ff6.png[/img]和[img=28x22]18032d61a924ec8.png[/img]特性完全相同,则输出电阻约为[img=20x22]18032d61b21e1a6.png[/img]。。[img=616x448]18032d61c13684e.png[/img]
举一反三
- 独立重复地投掷一颗均匀的骰子,直到出现6点就停止投掷,设X表示投掷骰子的次数,则X的分布列是______________. A: X123456P1/61/61/61/61/61/6 B: X123456…P1/61/61/61/61/61/6… C: X123…k…P[img=9x43]1803da13460ecf5.png[/img][img=36x43]1803da134eadb99.png[/img][img=57x43]1803da135709664.png[/img]…[img=58x43]1803da135e5a076.png[/img]… D: X123…k…P[img=9x43]1803da13671cd55.png[/img][img=36x43]1803da13703c21c.png[/img][img=57x43]1803da1378489ec.png[/img]…[img=58x43]1803da13822269c.png[/img]…
- 独立重复地投掷一颗均匀的骰子,直到出现6点就停止投掷,设X表示投掷骰子的次数,则X的分布列是______________. A: X123456P1/61/61/61/61/61/6 B: X123456…P1/61/61/61/61/61/6… C: X123…k…P[img=9x43]1803573572a7b80.png[/img][img=36x43]180357357af3976.png[/img][img=57x43]180357358399321.png[/img]…[img=58x43]180357358bf0f84.png[/img]… D: X123…k…P[img=9x43]180357359488348.png[/img][img=36x43]180357359c7d68a.png[/img][img=57x43]18035735a57969a.png[/img]…[img=58x43]18035735ae0e3f4.png[/img]…
- 独立重复地投掷一颗均匀的骰子,直到出现6点就停止投掷,设X表示投掷骰子的次数,则X的分布列是______________. A: X123456P1/61/61/61/61/61/6 B: X123456…P1/61/61/61/61/61/6… C: X123…k…P[img=9x43]1803da175d21bb3.png[/img][img=36x43]1803da176510759.png[/img][img=57x43]1803da176e34ee6.png[/img]…[img=58x43]1803da177747ce7.png[/img]… D: X123…k…P[img=9x43]1803da177fbaa74.png[/img][img=36x43]1803da17890c39f.png[/img][img=57x43]1803da1792a9c56.png[/img]…[img=58x43]1803da179bd7a28.png[/img]…
- 图示电路中,[img=28x22]18032d608e8b70c.png[/img]和[img=28x22]18032d609714516.png[/img]特性完全相同,输入电阻为( )。[img=616x448]18032d60a6c4c60.png[/img] A: [img=99x25]18032d60af6e842.png[/img] B: [img=21x22]18032d60b7f5fb7.png[/img] C: [img=218x26]18032d60c02174c.png[/img] D: [img=155x25]18032d60c86da7a.png[/img]
- 图示电路中,[img=28x22]18032d5b1f7b5c0.png[/img]和[img=28x22]18032d5b2803847.png[/img]特性完全相同,下列叙述正确的是( )。[img=616x448]18032d5b362d408.png[/img] A: [img=28x22]18032d5b3e1da44.png[/img]为电流源电路、[img=28x22]18032d5b46574f2.png[/img]为CB组态放大器。 B: 其它选项都不正确。 C: [img=28x22]18032d5b3e1da44.png[/img]为CE组态放大器、[img=28x22]18032d5b46574f2.png[/img]为有源负载 D: [img=28x22]18032d5b3e1da44.png[/img]为CE组态放大器、[img=28x22]18032d5b46574f2.png[/img]为CB组态放大器。