Find the equivalent resistance between a and b
Asked by admin @ in Physics viewed by 314 People
Find the equivalent resistance between A and B !
Need correct explanation, others would be reported !
Asked by admin @ in Physics viewed by 314 People
Find the equivalent resistance between A and B !
Need correct explanation, others would be reported !
Answered by admin @
Answer:
The equivalent resistance between A and B is 9Ω.
Explanation:
To know :
R = R₁ + R₂ + R₃ + ...
1/R = 1/R₁ + 1/R₂ + 1/R₃ + ...
Solution :
[Refer to the attachment]
First, let's find the equivalent resistance between A and P :
Equivalent resistance of the two resistors = 3Ω + 3Ω = 6Ω
Equivalent resistance of the two resistors = 3Ω + 3Ω = 6Ω
Let the equivalent resistance between A and P be R[AP]
Find the equivalent resistance between P and Q :
Equivalent resistance of the two resistors = 3Ω + 3Ω = 6Ω
Equivalent resistance of the two resistors = 3Ω + 3Ω = 6Ω
Let the equivalent resistance between P and Q be R[PQ]
Find the equivalent resistance between Q and B :
Equivalent resistance of the two resistors = 3Ω + 3Ω = 6Ω
Equivalent resistance of the two resistors = 3Ω + 3Ω = 6Ω
Let the equivalent resistance between A and P be R[QB]
The equivalent resistance between A and B :
R[AP] , R[PQ] and R[QB] are connected in series.
Hence,
The equivalent resistance between A and B = R[AP] + R[PQ] + R[QB]
= 3Ω + 3Ω + 3Ω
= 9Ω
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