17. When two resistors are joined in series, the equivalent resistance is 90. When the same
resistors are joined in parallel, the equivalent resistance is 20ij
. Calculate the resistance of the
two resistors.
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Answer:
60 ohm and 30 ohm
Explanation:
When connected in series :30+60=90ohm
When connected in parallel :30×60/30+60=20 ohm
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