Symbols and Equations Flashcards
What is the symbol for current?
I
What is the symbol for charge?
Q
What is the symbol for time?
t
What is current measured in?
Amperes (A)
What is charge measured in?
Coulombs (C)
What is time measured in?
Seconds (s)
What is unit of potential difference?
Volt (V)
What is the unit for resistance?
Ohm
What is the equation for current (I)?
I= Q divided by T
What is the equation for charge (Q)?
Q= I x t
What is the equation for potential difference in work done per unit charge?
V= W divided by Q
What is the unit for work done?
W
What is the equation for work done (W) in p.d and unit of charge?
W= V x Q
What is the equation for potential difference in resistance and current?
V= I x R
What is the unit for energy transferred?
E