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Two wires of same metal have same length but area of cross section are in the ratio 3:1.They are joined in parallel .If the resistance of thin wire is 30ohm,then the total resistance of the combination will be |
| Answer» Two wires of same metal have same length but area of cross section are in the ratio 3:1.They are joined in parallel .If the resistance of thin wire is 30ohm,then the total resistance of the combination will be | |