Calculate resistance between A and B.
1)3/4R 2)5/3R 3)7/5R 4)R
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Answer:
correct answer is option 3 7/5 R found by calculation
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Answer:
Given :
▪ A circuit having six identical resistor of resistance R has been provided.
To Find :
✴ Eq. resistance b/w A and B.
Concept :
❇ In this type of questions, First we have to simplify the given circuit.
❇ We can simplify any circuit by potential method.
Diagram :
↗ Please see the attachment for better understanding.
Calculation :
⚽ Eq. resistance b/w C and D :
→ R1 = R/2 + R
→ R1 = 3R/2Ω
⚽ Eq. resistance b/w E and F :
→ R2 = R + R/2
→ R2 = 3R/2Ω
⚽ Eq. resistance b/w A and B :
→ 1/Req = 1/R1 + 1/R2
→ 1/Req = 2/3R + 2/3R
→ Req = (3R/2) / 2
→ Req = 3R/4Ω
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