10.2 - Power dissipation in a resistor Flashcards
1
Q
What is the basic equation for power, involving potential difference and current?
A
P = IV
2
Q
What two equations do you need to be derive from this?
A
P = I^2R
P = V^2/R
3
Q
When a charge flows through a resistor…
A
… work is done on the resistor
4
Q
What does the term ‘dissipated’ mean?
A
Scattered
5
Q
What is the internal energy of a body?
A
The sum of the potential energy and kinetic energy of its molecules
