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(1)不同材料制成的二极管其正常的正向电阻和反向电阻大小是不同的,硅二极管正向和反向电阻均大于锗二极管的正向和反向电阻。同一个二极管用同一块万用表不同量程测量时其正、反向电阻大小也是不同的;同一个二极管用不同型号万用表测量的正、反
(1) The diodes made of different materials have different normal forward resistance and reverse resistance. The forward and reverse resistance of the silicon diode is larger than the forward and reverse resistance of the germanium diode. The same diode with a multimeter measuring different ranges of its positive and negative resistance size is different; the same diode with different types of multimeter to measure the positive and negative