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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
13 Nov 2021

Given information

Consider the network of resistors   ,  ,  and    with a switch  .

The current through each resistor when the switch is closed is :

 

 

   

 

Step-by-step explanation

Step 1.
Consider the network of resistors , ,     and   with total current is shown in the figure :
 
 
 
By Ohm's law, we have
 
 
 
Since the resistance is constant to each of these and the current is going to change exactly how the voltage changes. 
 
That means 
 
Since is in series with the battery current will increase then its voltage will increase. That means current to  will also increase
 
   
 
Since   initially has no current the voltage across   will increase when the switch is closed. That means current to  will also increase
 
 

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