An iron that is properly used with rated voltage of 220V for 15 minutes consumes 720kJ of power. Let's calculate: a) Electric capacity of the iron

b) The current flowing through the iron and its resistance then.

Julia would be observing a. static electricity was caused by her sweater rubbing against her shirt and transferring electrons. she didn't touch anything metal, so that would cancel out b.she most likely didn't rub her sweater against her hair either, so that cancels out c.she also didn't scoot across the carpet while trying to take her sweater off, that cancels out d.so that leaves a.a. is correct.