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5. A student obtains resistances of 3, 4, 12 and 16 ohnmusing two metallic resistors either separately or joinedtogether. What is the value of resistance of each ofAns 4 and 12 ohm]these wires?

Answer»

Let us consider the two resistances as 4Ωand 12Ω.Case 1:If we use the only resistor of resistance 4 Ω in the circuitthe net resistance is 4 ΩCase 2:If we use the only resistor of resistance 12 Ω in the circuitthe net resistance is 12 ΩCase 3:If we combine the resistors of resistances 4 Ω, 12 Ω in series,the net resistance of the combination is expressed as the following:4 Ω + 12 Ω = 16 Ω

no it is not correct answer



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