Question
What is the equivalent resistance of the network shown in figure? The numbers indicate resistance in ohms
Answer: Option B
:
B
The network consists of four loops connected in series. Each loop consists of two 1 ohm resistors in series connected in parallel with two ohm resistors in series. Thus the effective resistance R of each loop is given by 1R=12+14giving R=43 ohm. Therefore the equivalent resistance of the network = resistance of fourloops connected in series each having an effective resistance of 43 ohm = 4×43=163 ohm
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:
B
The network consists of four loops connected in series. Each loop consists of two 1 ohm resistors in series connected in parallel with two ohm resistors in series. Thus the effective resistance R of each loop is given by 1R=12+14giving R=43 ohm. Therefore the equivalent resistance of the network = resistance of fourloops connected in series each having an effective resistance of 43 ohm = 4×43=163 ohm
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