Basic Circuitry Terms And Equations Flashcards
What does the variable V stand for
Voltage
What does the variable i stand for
Current
What does the variable P stand for
Power
What does the variable R stand for
Resistance
What does the variable t stand for
time
What is the equation for R
R=V➗i
What is the equation for V
V=iR
What is the equation for i
I=V➗R
What is the main equation for P
P=(i^2)R
What is the equation for t
t=CR
What is the equation for C
C=t➗R
What does the variable C stand for
Capacity
What is capacity measured in
Farads
What is resistance measured in
Ohms
What is power measured in
Watts
What is voltage measured in
Volts
What is current measured in
Amperes
What is time measured in
Seconds
What is the equation for the efficiency of a light bulb
V➗amount of lumens
What does the variable f stand for
frequency
What is frequency measured in
Hertz
What does the variable L stand for
Inductance
What is the equation for L
L=v➗di/dt
What does the variable Q stand for
Charge in a capacitor
What is the equation for Q
Q=CV
What is the equation for total resistance of resisters in parallel
1/((1/R)+(1/R)+(1/R)+…)
What is the equation for total resistance of resisters is series
R+R+R+…
What are the equations in ohms law
i=V/R V=iR R=V/i
What are the equations in joule’s law
(i^2)R Vi (V^2)/R