Derive an expression for the equivalent resistance of three resistances connected in parallel with battery. Write two advantages of it over series combination.
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Answer is B.
Explanation:
Components connected in parallel are connected so the same voltage is applied to each component. In a parallel circuit, the voltage across each of the components is the same, and the total current is the sum of the currents through each component. In this case, it is a parallel, the voltage across each component will remain the same as 15 V.
Hence, the potential drop across the 6 ohms resistor is 15 V.
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