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2. Potential energy
UPotential energy (J)
mMass (kg)
gStandard gravity
hHeight or difference in height (m)
Variables...
  valueunitslink
U
J
m
kg
h
m
4. Inductance of a solenoid
LThe inductance of the solinoid (H)
μ0magnetic constant
NThe number of turns (dimensionless)
AThe cross-section area (m2)
lThe length of the coil ( ignoring end effects) (m)
Variables...
  valueunitslink
L
H
N
A
m2
l
m
5. Coil magnetic energy
EEnergy (J)
LInductance factor (H)
ICurrent (A)
Variables...
  valueunitslink
E
J
L
H
I
A

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