JEE MAIN - Physics (2022 - 28th June Morning Shift - No. 20)
Current measured by the ammeter (A) in the reported circuit when no current flows through 10 $$\Omega$$ resistance, will be ________________ A.
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Answer
10
Explanation
For $${I_{10}} = 0$$
$${R \over 3} = {4 \over 6}$$
$$ \Rightarrow R = 2\,\Omega $$
$$ \Rightarrow {I_A} = {{36 \times (6 + 9)} \over {6 \times 9}}$$
$$ = {{36 \times 15} \over {6 \times 9}} = 10$$ A
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