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1.工作原理例1某同学用以下器材接成如图1所示电路:(A)Ik=100μA微安表一个.(B)电动势E=1.5V,内阻可忽略的电池一个.(C)阻值调至14kΩ的电阻箱一个.(D)红、黑测试棒和导线若干.
1. Working Principle Example 1 A student uses the following equipment to connect the circuit shown in Figure 1: (A) Ik = 100μA microampere meter (B) EMF = 1.5V, the internal resistance of the battery can be ignored. (C ) Resistance box adjusted to 14kΩ. (D) Several red and black test bars and wires.