Calculate the current across the 20 ohm resistor.(a) 20A(b) 1A(c) 0.67A(d) 0.33AThis question was addressed to me in class test.This is a very interesting question from Kirchhoff’s Current Law topic in chapter Simple DC Networks of Basic Electrical Engineering

Calculate the current across the 20 ohm resistor.(a) 20A(b) 1A(c) 0.67

1.	Calculate the current across the 20 ohm resistor.(a) 20A(b) 1A(c) 0.67A(d) 0.33AThis question was addressed to me in class test.This is a very interesting question from Kirchhoff’s Current Law topic in chapter Simple DC Networks of Basic Electrical Engineering
Answer» Right answer is (d) 0.33A The BEST I can explain: ASSUME lower terminal of 20 OHM at 0V and UPPER terminal at V volt and applying KCL, we get V/10 +V/20 =1. V=20/3V So current through 20 ohm = V/20 = (20/3)/20 =1/3=0.33V.

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