A cup of water at 5°C (system) is placed in a microwave oven and the oven is turned on for one minute during which the water begins to boil. Which of the following option is true ?

A

q = + ve, w = 0, $$\triangle U$$ = - ve

B

q = + ve, w = - ve, $$\triangle U$$ = - ve

C

q = + ve, w = - ve, $$\triangle U$$ = + ve

D

q = - ve, w = - ve, $$\triangle U$$ = - ve