Electrical Components Flashcards
0
Q
Current through a resistor
A
i=v/r
1
Q
Resistors
A
Symbol- R
Measured in Ohms
Reduces the voltage as current flows through it
2
Q
Voltage through a resistor
A
v=R*i
3
Q
Power at a resistor
A
P=vi=i^2R=v^2/R=dw/dt
4
Q
Capacitors
A
Stores energy in its ELECTRIC feild
C
5
Q
Current through a capacitor
A
i=Cdv/dt
6
Q
Voltage through a capacitor
A
V=1/C ∫i*dt
7
Q
Power at a capacitor
A
P=v*i=dw/dt
8
Q
Equations for energy through a capacitor
A
u=C*(v^2)/2
9
Q
Inductors
A
Stores energy in its magnetic field
Measured in Henrys
Symbol-L
10
Q
Voltage through an inductor
A
V=L di/dt
11
Q
Current through an inductor
A
i=1/L ∫vdt
12
Q
Energy through an inductor
A
w= L(i^2)/2
13
Q
Components
A
A device within the circuit through which current flows
