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Question:
Three resistors of 2 ohm , 3 ohm and 4 ohm are connected in - a ) series , b) parallel. find the equivalent resistance.
Answer:

res

1. When resistors are in series combination-

Requi = 2+3+4 = 9Ω

2. When resistors are in parallel-

1/Requi = 1/2 +1/3 +1/4 =13/12

Requi = 12/13 Ω

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