Question

Explain it also.....​

Answer 1

Answer:

They are all in parallel connection.

1/R eq = 1/R1 +1/R2 +1/R3

= 1/1 +1/2+1/1

=. (2+1+2)/2

= 5/2

= 2.5Ω

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Answer 2

It is clear in diagram that all resistance are in parallel connection,

Therefore, 1/R=1/R1+1/R2+1/R3

=>1/1+1/2+1/1

By taking LCM of numbers,

$\frac{2 + 1 + 2}{2}$

=>5/2Ω

=>2.5Ω

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