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Topic 2: Electricity - Coggle Diagram
Topic 2: Electricity
Formulas
need to know
Q = It
Charge flow
(C) =
Current
(A)
x Time
(s)
V = IR
Potential Difference
(V) =
Current
(A) x
Resistance
(Ω)
Q = E/V
Charge
(C) =
Energy transfered
(J) /
Potential Difference
(V)
P = IV
Power
(W) =
Current
(A) x
Potential DIfference
(V)
P = (I^2) x R
Potential Difference
(V) =
Current^2
(A) x
Resistance
(Ω)
P = E/t
Power
(W) =
Energy transfered
(J) /
Time
(s)
Parrallel
circuits
Adding a resistor in parallel
reduces
total resistance
V1 = V2 = .... (
p.d is the same throughout branches
) (
light bulb parallel
)
Series
circuits
Rtotal = R1 + R2
.....
Vtotal = V1 + V2
.... (
p.d is shared
) (
light bulb in series
)