Question
Physics Question on Electric Current
The total current supplied to the circuit by the battery is
A
1 A
B
2 A
C
4 A
D
6 A
Answer
1 A
Explanation
Solution
In this circuit, 2Ω and 6Ω resistors are connected parallelly, 2Ω ∥ 6Ω = (2 x 6)/ (2 + 6) = 12/8 =1.5Ω
Then, all these 3 resistorsare connected in series: ∴ Req = 1.5 + 1.5 + 3 = 6Ω
Hence, the total current that is supplied to the circuit by the batteryis, I = V/Req = 6V/6Ω = 1A
Therefore, the correct answer is The total current supplied to the circuit by the battery is Option A) 1A
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