SSC JE Electrical Engineering 24 Jan 2018 Morning Paper

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Question : 120 of 199

Marks: +1, -0

Determine the Thevenin’s equivalent resistance (in ohms) across terminals A and B for the electrical circuit given below.

0.67
0.5
0.33
0.2

Solution:

Now

1/R_a=1/2+1/2+1/2=3/2

⇒R_a=2/3

Now

R_\AB={2/3×2/3}/{2/3+2/3}=1/3

=0.33Ω

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