Question

how can the resistance of 2 ohm, 3 ohm and 6 ohm be connected to give an effective resistance of 4 ohm​

Answer 1

Answer:

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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Answer 2

Answer:

At first we will have to connect the 3 ohm resistor and the 6 ohm resistor in parallel and just beside them we have to connect the 2 phm resistor in series

Explanation:

Calculation:

(1/3+1/6) ohm

=(3/6)ohm

=(1/2) ohm

= 2 ohm

NOW add this 2 ohm equivalent resistance with the other 2 ohm resistor connected in series with this

Calculation:

(2+2) ohm

= 4 ohm equivalent resistance ➡️ Answer.