Number of Turns Average (mV) "Uncertainty +/-" Number of Turns Efficiency 1 20.7 0.05 1 0.0793 2 43.6 0 2 0.167 3 73.6 0.15 3 0.282 4 107 1.5 4 0.41 5 141 1 5 0.54 6 169 0.5 6 0.648 7 191 0.5 7 0.732 8 206 0 8 0.789 9 219 2 9 0.839 10 228 2 10 0.874