GK QUESTION#2955
A 6-volt supply is applied to a parallel combination of two resistors having values of 2 Ω and 4 Ω. How much total current is delivered by the battery?
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Answer
D. 4.5 Amperes
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Explanation
The branch currents are 6/2 = 3 A and 6/4 = 1.5 A. Their sum is 4.5 A. Equivalently, the parallel resistance is 4/3 Ω and I = 6 ÷ (4/3) = 4.5 A.