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初中的电学知识部分,在教材中占有十分重要的位置,中考中也作为考查的重点内容.每年的中考试题中电学部分平均占30分以上,充分说明电学在中考中的重要性.初中物理的学习中,电学计算无疑是是一类棘手的问题,如果再结合电路连接方式,欧姆定律,电功率以及数学极限分析的话,学生在解题的过程中,就会像无头的苍蝇一样,到处碰壁.现针对电学计算中求解电路的最大电流,最大电压以及最大功率这一类问题,
The junior high school of electrical knowledge part, in the textbook occupies a very important position, the middle school entrance examination also as a key content of examination .Electrical each year in the examination part of an average of more than 30 points, fully explain the importance of electricity in the test. Learning, electrical calculation is undoubtedly a difficult problem, if combined with the circuit connection, Ohm’s law, electric power and mathematical limit analysis, the students in the process of solving problems, like headless flies, run into a wall everywhere Nowadays, for solving the problems of the maximum current, the maximum voltage and the maximum power of the circuit in electrical calculation,