Question

Please solve this question?

Answer 1

`"2 Ω"`

Explanation:

Current flowing in battery is

`"I" = "Q"/"t" = "180 C"/"60 s" = "3 A"`

Work done by battery is given by

`"W" = "I"^2"Rt"`

`"R" = "W"/("I"^2"t") = "1080 J"/(("3 A")^2 × "60 s") = color(Green)"2 Ω"`