Two resisters of resistance, 100 Ω and 200 Ω are connected in parallel in an electrical circuit. The ratio of the thermal energy developed in 100 Ω to that in 200 Ω in a given time is :
(1) 1: 4
(2) 4 : 1
(3) 1 : 2
(4) 2 : 1
(1) 1: 4
(2) 4 : 1
(3) 1 : 2
(4) 2 : 1