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Calculate Torque or Power from RPM using P=2πnT/60
- 4. 2πnT
P= Watts
60
Transposed for T
60P
T= Newton meters
2πn
- 5. Where
T = torque in Newton /meters (Nm)
P = power output in watts (W)
n = the speed of rotation in revolution per
minute (rpm).
- 10. Direction of
Single coil
Induced emf in coil
two - segment Pole
commutator (shown above the coil)
Direction of rotation
Brushes