Textbook ExpertVerified Tutor
13 Nov 2021
Given information
Consider the network of resistors , , and with a switch .
The voltage across each resistor when the switch S is closed is:
Step-by-step explanation
Step 1.
Consider the network of resistors , , and with a switch and the total current as shown in the figure :
In this circuit, we see that and in parallel connections in the circuit, and is in series with these two
From we have the total current that goes to and then it gets divided into two resistors which are in parallel connection
When the switch has closed another resistor which is a parallel connection that is and .
For parallel connection,
The equivalent resistance is lower than individual resistance
For series connection
The equivalent resistance is greater than individual resistance
That means more current can be delivered by the battery.
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