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    				| 1. | 
                                    a 10 A fuse wire is used in a mains line in a house .in anither house a 15 A fuse wire is used .the ratio of thier radii is | 
                            
| Answer» a 10 A fuse wire is used in a mains line in a house .in anither house a 15 A fuse wire is used .the ratio of thier radii is | |