Question

Please answer this question of current electricity​

Answer 1

Answer:

Answer is option (2) 2 ohm ..

Explanation:

The given circuit can be represented as given in fig.

R1 and R2 are in parallel so 1/R =1/R1 +1/R2...........

we get R(parallel) = 2 ohm ...

Then this combination is in series with R3 ......

so R(series)= 2+4 = 6 ohm.....

now this combination is parallel to R4 ....

so 1/R(eq)=1/6+1/3....

R=2 ohm

Option (2) is correct i.e. 2 ohm

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