Hi,
I've attempted to solve the first part (see file Position 1) in mathcad, but have no idea if it's correct, at least for the first part, as I am assuming, that the steps will be the same for the rollers in the remaining positions. So if I can manage to calculate the first one correctly, I...
Can you explain why it is not correct? As I said, I'm kind of lost.
P/V = I
R=V/I
R=V^2/P
But doesn't this assume, that all of the 230Vrms gets to the cooker and the bulb? Or the rating is independent of the actual Voltage, that gets to them?
Formatting got copied from the sub-title...
Homework Statement
A light bulb (L1) and a cooker (R1) are connected to the same wire. The wire consists
of two copper conductors with a cross section of 1.5 mm2 and a length of 22.3 m.
When SW1 is closed the heating element of the cooker will be turned on. It has a
power dissipation of 2300 W...
values from google or specific tables
cwater= 4180 J/KgK
Lfice= 334E3 J/Kg
Working? Like substituting in the numbers? I mentioned the results I got after having substituted. One was negative, close to -1 and the other was 5 after swapping the final and initial in
Can you please focus on the...
Homework Statement
An 8 cm3 ice cube (temperature = 0.00 °C) is dropped into a glass with 3 dL juice which results in the ice cube being melted. By doing this, the juice drops to a temperature of 3.00 °C. What was the temperature of the juice before the ice cube was added? (Treat juice as water...