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resistances,and is thus greater than any indlvidualExample 12.7An electric lamp, whose resistance is 20 Ω, and a conductorare connected to a 6 V battery (Fig. 12.9). Calculate ätotal resistance of the circuit, (b) the current through the circult(c) the potential difference across the electric lamp and conducta

Answer»

Given: resistance is 20 ohm conductor of 4 ohmr esistance 6V battery

1.The total resistance of the circuit = 20 ohm + 4 ohm =24 ohm

2. The current through the circuit = current through the bulb = current through the conductorThe current through the circuit = Voltage applied/ the voltage of the battery= (6/24) amp =0.25 amp 3. The potential difference across the electric lamp and the conductor. = 0.25 ×20 = 5 volt = 0.25 × 4 = 1voltLike my answer if you find it useful



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