1.

Show four different ways in which three resistors of Rohm each may be connected in a circuit. In which case is the equivalent resistance of the combination. i] Maximum ii] Minimum

Answer»

Solution :The four different ways in which resistors of Rohm can be connected are as follows:
i] series connection
II] Parallel connection
iii] 2 resistors in series and one in parallel
iv] 2 resistors in parallel and one in series

Equivalent RESISTANCES in each CASE is
i] `R/3`
ii] 3R
iii] `(2R)/3`
iv] `(3R)/2`
HENCE, the MAXIMUM resistance is in case (ii) and minimum is in case (i).


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