Are you watching me too?

Here's a O levels physics question which Chupps will expect us to solve in half a minute. I took 5.

"Feng wants to buy a water heater to boil water in US. If she buys a water heater labelled 220V and use it in the US where the voltage is 110V, what will be the power of the heater in US if its power in Singapore is P?"

How long did your rusty brain take?

Someone just called me my mom's 'son'. Gosh..

I'm living in a danger zone. My mom's got eye infection and the whole family next door got red eye too. Protect my eyes.. See no evil..