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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 power output of the battery when the switch is closed :

 

Step-by-step explanation

Step 1.
Consider the network of resistors   ,  ,  and    with a switch  and the total current   as shown in the figure :
 
 
 
Power is given by :
 
  
 
Since there are increases in current     and 
 
 
Because in series connection with the battery.

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