【摘 要】
：
目前我国进口了一批伏尔加牌嘎斯24型小客车,该车配备了晶体管有触点式闪光器,闪光器内部电路见下图,其工作原理如下;当点火开关K_1闭合时,电源接通,电流经过微调电位器W_2、
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目前我国进口了一批伏尔加牌嘎斯24型小客车,该车配备了晶体管有触点式闪光器,闪光器内部电路见下图,其工作原理如下;当点火开关K_1闭合时,电源接通,电流经过微调电位器W_2、W_1和电阻R_5、R_4分别在e、b、两点对“地”建立电位。因W_1的阻值小于W_2的阻值,而R_4的阻值与R_5的相等,所以
At present, China imported a number of Volga licensed GAS 24 minibuses equipped with transistor contact flashers. The internal circuit of the flasher is shown below. Its working principle is as follows. When the ignition switch K_1 is closed, the power is turned on , The current through the trimming potentiometer W_2, W_1 and resistors R_5, R_4 at e, b, two points to “ground” to establish potential. Since the resistance of W_1 is less than the resistance of W_2 and the resistance of R_4 is equal to R_5,
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