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Branch, Loop and Node Analyses - Engineering

Q1:

What is the current through R2?

A 3.19 A

B 319 mA

C 1.73 A

D 173 mA

ANS:D - 173 mA

@Shinghal.

Your working is right but take note that the current through 30 ohms is the sum of the current that emanate from the two cell and not the difference.