Power

Question 1

What is power?

Answer 1

rate of transfer of energy or rate of transfer of doing work

Question 2

Base equation for power in electricity?

Answer 2

p = vi 
where 
p = power 
v = voltage 
i = current

Question 3

equation with v^2

Answer 3

p = V^2 / R

Question 4

Equation with i^2

Answer 4

p = I^2R

Question 5

What is the equation for work done?

Answer 5

W = IVt 
but  
IV can be  
I^2R 
or  
V^2 / R