Current Electricity

Question: Two resistors are connected (a) in series (b) in parallel. The equivalent resistance in the two cases are 9 $ohm$ and 2 $ohm$ respectively. Then the resistances of the component resistors are

1) 2 $ohm$ and 7 $ohm$

2) 3 $ohm$ and 6 $ohm$

3) 3 $ohm$ and 9 $ohm$

4) 5 $ohm$ and 4 $ohm$

Solution:

Explanation: No Explanation

Grouping of Resistors Combination of Resistors

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