In this circuit,  5 amperes current enters node B through Resistor 1 and  2.5 amperes flows through resistor 3 from Node B to Node C. 
a) How many amperes flow through Resistor 2?
b) How much charge flows through resistor 4 in 4 seconds?  Give your answer in coulombs.

Asked by Topperlearning User | 27th Apr, 2015, 02:57: PM

Expert Answer:

a) According to the Kirchhoff’s circuit law,
 
I1  = I3 +   I2
 
5 = 2.5 + I2
 
 I2 = 5 - 2.5
 
 I2 = 2.5 Amperes
 
b) Current flowing through I4 is 2.5 A
 
Therefore,
 

Answered by  | 27th Apr, 2015, 04:57: PM