Question

How will you connect 3 resistance of value 2 ohm, 3 ohm, 6 ohm,to get effective resistance of 4 ohm?​

Answer 1

Explanation:

resistance 3ohm and 6ohm in parallel.

then the equivalent resistance will be 2ohm

now connect 2ohm resistance with the 2 ohm resistance in series,

hence equivalent resistance will be 2+2 = 4 ohm

Answer 2

Put 3 ohms in parallel with 6 ohms to produce an equivalent of 2 ohms by the parallel equivalent resistance rule [1/(1/3 + 1/6) = 2]

Place that parallel combination in series with the other 2 ohms to get 4 ohms, since series resistances simply add {2+2=4].

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