(a) Zonal-mean zonal wind speeds in hydrodynamic models M7, M7v1, M7v2, M7v3, M7cbc, and M7f1 (v_ϕh) vs. zonal-mean zonal wind speeds in their MHD counterparts M7b1, M7v1b1, M7v2b1, M7v3b1, M7cbcb1, and M7f1b1 (v_ϕm). A 20 times increase in hydrodynamic model wind speeds results in only a 5 times increase in MHD model wind speeds. (b) Zonal-mean zonal wind speeds in the same hydrodynamic models as in (a) vs. ohmic dissipation in those models at 10 bars. A 20 times increase in hydrodynamic model wind speeds results in only a 2 times increase in ohmic dissipation.