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Two resistance R1 and R2 connected in pa...

Two resistance R1 and R2 connected in parallel, this equivalent resistance is.

A

`1/R_2`+`1/R_2`

B

(`R_1R_2`)/(`R_1+R_2`)

C

(`R_1`+`R_2`/`R_1R_2`

D

`R_1` + `R_2`

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