Ohm's Law Flashcards
1
Q
What is the formula for Ohm’s Law?
A
V = IR
2
Q
If resistance is halved, then current is
A
Doubled
3
Q
If resistance is doubled, current is…
A
Halved
4
Q
Current and voltage are…
A
Linear. If V is doubled, the I is doubled. If one is halved, so is the other
5
Q
What is the formula for power?
A
P = W/t
6
Q
Energy is….
A
The ability to do work
7
Q
Power is …..
A
The rate at which energy is used
8
Q
Power is expressed in Watts and time, which can be written as
A
KWh
9
Q
Formula for power is
A
P = VI and can be expressed as P = V^2/R
