论文部分内容阅读
1.R×1档,满度电流最大,一般为几十毫安到一百几十毫安,具体数值为I=E/R_o,测小功率管时如能承受这电流,器件就不会坏,如2AD9、3AX31等.2.测量时只要保证万用表的输出功率不超过元器件的最大允许功耗,即使电压略超过些也不会损坏元器件.例如,R×10K档的电池电压较高,但其内阻很大,输出电流被限制在几十微安到一百几十微安以下,即使将元器
1.R × 1 file, full-scale current maximum, usually tens of milliamperes to hundreds of tens of milliamps, the specific value of I = E / R_o, measuring the small power tube can withstand this current, the device will not Bad, such as 2AD9, 3AX31, etc .. 2. Measurement as long as the multimeter to ensure that the output power does not exceed the maximum allowable power consumption of components, even slightly more than the voltage will not damage the components.For example, R × 10K file than the battery voltage High, but its resistance is very large, the output current is limited to dozens of microamperes to a hundred dozens of microamps, even if the components