在图9—6所示的电路中，由于某一处发生故障，开关S闭合后，电路中<br /> <img src="http://www.weimei168.com/uploads/202208/20130108161825922592.jpg" alt="" border="0" /><br /> <img src="http://www.weimei168.com/uploads/202208/20130108161864146414.jpg" alt="" border="0" />