Textbook ExpertVerified Tutor
12 Nov 2021
Given information
Given Data :
Resistors
The emf of the battery
Internal resistance
The terminal voltage when the switch is open
Assuming three resistors as and and internal resistance are connected to a battery .
Step-by-step explanation
Step 1.
Consider three resistors and are as shown in the figure :
Using the concept of parallel and series resistance of a resistor :
When the switch is opened:
From Figure, The equivalent resistance is given by :
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