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In a 3 phase,400v,4 wire system, 2 incandescent lamps, one
having 230v,100w and the other 230v,200w are connected between
r phase- neutral and y phase-neutral respectively. If neutral
wire breaks which lamp will fuse first and why?
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Answer Posted / awdhesh
When neutral disconeted bulb are in series so ckt current is same but voltage drop is diffrent.vlt drop is propesanl to R so 100W lamp R is more with respect to 200W. 100 W lamp fuse first.
| Is This Answer Correct ? | 37 Yes | 5 No |
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