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In a metre bridge expt, when the resistances in the gaps are interchanged the balance point is increases by 10 cm. The ratio of the resistances is
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A resistance of is connected across one gap of a metre-bridge(the length of the wire is 100 cm) and an unknown resistance, greater than , is connected across the other gap. When these resistances are interchanged, the balance points shifts by 20 cm. Neglecting any corrections, the unknown resistance is 
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| Question Text | In a metre bridge expt, when the resistances in the gaps are interchanged the balance point is increases by 10 cm. The ratio of the resistances is |
| Answer Type | Video solution: 1 |
| Upvotes | 155 |
