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IV. Answer the following questions:19. Mention the factors on which the resistance of a conductor depends. ORnnected to a 6VAn electric lamp whose resistance is 20 ohm and a conductor of 4 ohm resistance are cobattery. Calculate the total resistance of the circuit

Answer»

factors on which resistance depend are:-1. resistivity of the conductor2. length of the conductor3. cross sectional area of the conductor

if the lamp and conductor connected in series then total resistance=20+4= 24 ohm

if the lamp and conductor comnected jn parallel then total resistance =(1/20)+(1/4) = 0.05+0.25 = 0.3ohm



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