Heat and Temperature & Electricity Flashcards
1
Q
Define heat.
A
A form of energy that comes from different sources.
2
Q
Define temperature.
A
A measure of how hot or cold an object is.
3
Q
What are the three units of energy for measuring heat?
A
Joules (J), calories (cal), and British Thermal Units (BTU).
4
Q
What is the formula for heat transfer?
A
Q=mcΔT
5
Q
What is the latent heat of fusion?
A
The heat required to change a substance from solid to liquid.
6
Q
What is the latent heat of vaporization?
A
The heat required to change a substance from liquid to gas.
7
Q
Q: What is the unit of electric charge?
A
A: Coulomb (C).
8
Q
Q: What is the unit of current?
A
A: Ampere (A).
9
Q
Q: What is the equation for electrical current?
A
I=Q/t
10
Q
Q: What is Ohm’s Law?
A
V=IR