Question

25. If ten resistances each of 10 ohms are connected in parallel then the total resistance is
A) 1 ohm B) 5 ohms C) 2 ohms D) 10 ohms

Answer 1

let the total resistance be R
do
1/R=1/10+1/10+1/10+...10 terms
or 1/R=10/10
or R= 1 ohm

Answer 2

thats what i got
but their answer is c