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B Wnen a 12Vbaheny is comneuted aross an unisanourn resistor there is a current.425m& in dihe choat. Find the abue of the resistance ol the resistot. |
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Answer» Potential differemce=12vcurrent = 2.5mA∵1 A=1000m∴2.5mA=0.0025 A ∵R=V/I =12/0.0025 =4800 ohm |
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