why should we do like this? give me reasons
 
 
pls give me explanation clearly
 
 

Asked by my3shyll | 20th Jul, 2016, 10:56: PM

Expert Answer:

Accoridng to the question, we have to find the equivalent resistance between P and Q.
From the circuit, it is clear that 7Ω and 3Ω are in series to each other.
Similarly, the 6Ω and 4Ω resistance are connected in series to each other.
The following will be the connection:
 
From the figure we can get that the (7+3)Ω , 1Ω and (6+4)Ω resistances are connected in parallel combination.

Answered by Yashvanti Jain | 21st Jul, 2016, 11:23: AM

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