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A 10 m long wire of resistance 20 ohm is connected in series with a battery of emf 3V and a resistance of 10 ohm. The potential gradient along the wire in V/m is |
| Answer» A 10 m long wire of resistance 20 ohm is connected in series with a battery of emf 3V and a resistance of 10 ohm. The potential gradient along the wire in V/m is | |