相同的羔羊A，B和C跨150V电源串联连接。状态（a）每个灯两端的电压（b）灯C失效的影响。画图
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Answer:
The same lamp A, B and C are connected in series across a 150V power supply. State (a) The voltage across each lamp (b) The effect of lamp C failure. Drawing
Explanation:
a) voltage across each lamp = 150v/3 = 50v
b) when C fails (fuses), no Current flows through all the bulbs, as they are connected series. No bulb flows
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