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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class12  >>  Current Electricity
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Current in the $3\: ohm$ resistor is


$\begin {array} {1 1} (A)\;1A & \quad (B)\;\large\frac{3}{7}A \\ (C)\;\large\frac{5}{7}A & \quad (D)\;\large\frac{10}{7}A \end {array}$


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1 Answer

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Firstly, short all the grounds. Then apply KVL to the first loop and then to the
second loop. 
$6-2 i_1 -6 i_2 =0$
$ 2(i_1 - i_2) - 6 i_2 =0$
solving we get the value of $i_2$ the current the 3 ohm resistor to be 3/7 oms
Ans : (B)
answered Feb 13, 2014 by thanvigandhi_1
edited Sep 11, 2014 by meena.p

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