• 2021-04-14
    稳压管稳压电路如图所示,其中,,且具有理想特性。由此可知输出电压为 。https://edu-image.nosdn.127.net/673C255186FDCF88EDBAC49B07ADB1CB.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100https://nos.netease.com/edu-image/0E53141787C336CC50F75AFDF7F0FE68.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100https://nos.netease.com/edu-image/69E801A7EC054F71E15554043D89E990.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100https://nos.netease.com/edu-image/CAD349EDF442F5664D9C0AD08B3FAACE.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100
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    举一反三

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    • 0

      若将如图所示电路中的电容断开,则会引起 。https://edu-image.nosdn.127.net/EEE971517ED66810580F2657BDB3A3B1.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100https://nos.netease.com/edu-image/97522CA91F6D831557DA8BF9DE046E01-1441447489780?imageView&thumbnail=520x520&quality=100

    • 1

      当输入电压幅度一定时,放大电路空载输出电压为,带上负载后的输出电压为,二者相比应为 。https://edu-image.nosdn.127.net/356FAC01463A740CB812C53FE743F524.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100https://nos.netease.com/edu-image/FBC70F47908B3806CAB113273A155323.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100

    • 2

      在如图所示的电路中,若把上偏置电阻短路,则该电路中的晶体管将会处于 状态。https://edu-image.nosdn.127.net/D152C1AF9CF9A81DAD26A4099579794D.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100https://nos.netease.com/edu-image/0F3A32CF51F7545473344AA0CBF8D428.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100

    • 3

      在共射基本放大电路中,当一定时,在一定的范围内增大发射极电流,则放大电路的输入电阻 。https://edu-image.nosdn.127.net/16734658C55B32424E028FF58C5548A9.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100https://nos.netease.com/edu-image/AF872F4BB1E61FFBF36969F3FA21CC23.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100

    • 4

      中国大学MOOC: 在如图所示的电路中,若二极管http://nos.netease.com/edu-image/4210CBE84731A1806069C4CE6C65EA62.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100接反,则 。 http://nos.netease.com/edu-image/39E8972C18EB9EA6C4329ED86B16528E.bmp?imageView&type=jpeg&thumbnail=520x520&quality=100