SSC JE Electrical Engineering 23 Jan 2018 Evening Paper

Question : 102 of 200

Marks: +1, -0

What is the value of current

l_4

(in A) for the given junction?

Solution:

According to kirchoff ’s current law, algebric sum of current at a node is equal to zero

- i_ 1 + i_ 2 - i _3 + i_ 4 - i _5 + i _6 = 0

– 4 + 2 – 3 +

i_ 4

– 8 + 7 = 0

i_4

= 6 A

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