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612 B35. Calculate the effectiveresistance between the points AA and B in the circuit shownin figure. |
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Answer» resistors and are in SERIES connection, then their effective RESISTANCE is,If two resistors and are in PARALLEL connection, then their effective resistance is,In the fig., two groups of resistors, having resistance each connected in parallel, are connected in series.Here the group of resistors and are connected in parallel each with a resistance of . Hence their EQUIVALENT resistance is,Similarly, resistors and are also connected in parallel. Hence their equivalent resistance is also,Now the circuit can be shortened to as the following.Hence the effective resistance between points A and B is,THUS equivalent resistance is |
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