串联和并联的区别是什么?

2025-03-15 02:03:12
推荐回答(2个)
回答1:

一、定义不同:

1、串联是连接电路元件的基本方式之一,意思是将电路元件(如电阻、电容、电感,用电器等)逐个顺次首尾相连接,将各用电器串联起来组成的电路叫串联电路。

2、并联是元件之间的一种连接方式,即将2个同类或不同类的元件、器件等首首相接,同时尾尾亦相连的一种连接方式,通常是用来指电路中电子元件的连接方式,即并联电路。

二、电流、电压以及电阻的计算不同:

1、串联电路中各处电流都想等;串联电路两端的总电压等于各部分电路两端的电压之和;串联电路的总电阻等于各串联导体的电阻之和;

2、并联电路的总电阻的倒数等于各并联导体的电阻的倒数之和;并联电路中干路电流等于各支路的电流之和;并联电路各支路两端的电压都相等。

扩展资料:

串联和并联的相同点:

1、不论是串联电路还是并联电路,电路消耗的总电能等于各用电器消耗的电能之和。W=W1+W2。

2、不论是串联电路还是并联电路,电路的总电功率等于各个电器消耗电功率之和。P=P1+P2。

3、不论是串联电路还是并联电路电路产生的总电热等与各种用电器产生电热之和。Q=Q1+Q2。

回答2:

串连和并联电压的区别是什么?

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