What's more it claims that friction is the biggest source of losses in an electric motor, when it's actually a very minor source of losses. The biggest losses a

What's more it claims that friction is the biggest source of losses in an electric motor, when it's actually a very minor source of losses. The biggest losses are from resistive heating. See section "Motor Efficiency" at: http://www.nrcan.gc.ca/energy/products/reference/15297 http://www.nrcan.gc.ca/energy/products/reference/15297