Hi all,
I really need somebody to explain to me how to work the following problem...
Q:
A 1.50E2 - W heater is designed to operate with an EMF of 120V. If the potential difference across the heater changes by a small amount such as 2.6%, approximately by what factor does the power...
I have got a problem here:
I was given this:
A 125W heater and a thermometer are immersed in 0.6kg of oil in a vessel of negligible heat capacity. The following results were obtained.
Temperature (K) 294 302 313 324 334
Time (minutes) 2 4 6...