SSC JE Electrical Engineering 24 Jan 2018 Evening Paper

Question : 112 of 200

Marks: +1, -0

The algebraic sum of the electric currents meeting at a common point is _______.

Infinity
Zero
One
Negative

Solution:

According to Kirchhoff 1st law of conservation of electric charge. At any node (Junction) in an electric circuit, the sum of current flowing into that node is equal to the sum of currents flowing out of that Node. The algebraic sum of current in a network of conductor meeting at a point is zero.

∑i_n=0

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