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NEET 2023
Exam
NEET
Year
2023
Subject
Physics
Chapter
Current Electricity

NEET 2023 · Physics · Current Electricity

The magnitude and direction of the current in the following circuit...

The magnitude and direction of the current in the following circuit is

The magnitude and direction of the current in the following circuit is

Options

  1. A1.5A1 . 5A fromBB to AA through EE
  2. B0.2A0 . 2Afrom BB to AA through EE
  3. C0.5A0 . 5A from AA toBB throughEE
  4. D59A\dfrac{5}{9}A from AA to BB through EE

Correct answer

C. 0.5A0 . 5A from AA toBB throughEE

Step-by-step solution

The magnitude and direction of the current in the following circuit is

Let the direction of electric current in the circuit be ii from AtoBA\text{to}B. Using Kirchhoff's law in clockwise direction, we get

−(i×2)+10−5−(i×1)−(i×7)=0⇒5=10i⇒i=510=0.5A- \left(i \times 2\right) + 10 - 5 - \left(i \times 1\right) - \left(i \times 7\right) = 0 ⇒ 5 = 10i ⇒ i = \dfrac{5}{10} = 0 . 5A

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