Find current through 30Ω using theveninis theorem

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written 3.0 years ago by

teamques10 ★ 65k

Step I: Calculation of VTh

Removing the $30 \ \Omega $ resistor from the network.

Mesh 1 and Mesh 2 from a supermesh.

Writing current equation for supermesh.

$I_1-I_2=13\ \ \ ..........................(1)$

Writing voltage equation for supermesh

$150-15I_1-60I_2-40I_2=0\\ 15I_1+100I_2=150\ .....................(2)$

Solving equations (1) and (2)

$I_1=-10\ A, \ \ \ …

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