Two resistors of 4 ohm and 6 ohm are connected in parallel across a 12 V battery of negligible internal resistance. What is the total current drawn from the battery?
NEET UG 2023 · Current Electricity · easy
NEET 20234 options · 1 correct
Two resistors of 4 ohm and 6 ohm are connected in parallel across a 12 V battery of negligible internal resistance. What is the total current drawn from the battery?
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Answer: A
5.0 A
Why
Parallel resistance is (4 x 6) / (4 + 6) = 2.4 ohm. Total current is V/R = 12 / 2.4 = 5.0 A. Checking branch-wise: 12/4 = 3 A and 12/6 = 2 A, which sum to the same 5 A.