What is the resistance between A and B ?
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Answer:
38.75ohms
Explanation:
The three resistance of 20 ohm, and 10 ohm and 20 ohm on the extreme right side are in series. So, the resultant of these three resistances = 20+20+10 = 50 ohms This 50 ohms is in parallel with 30 ohms. So resultant of these two will be 1/R = 1/30 +1/50 1/R = 80/1500 R = 18.75 ohms Now, the resistances 10 ohms, 18.75 ohms and 10 ohms are in series. Therefore, resultat resistance = 18.75 + 10+ 10 = 38.75 ohms.
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