Current I (in A) Voltage V (in V) Increase Decrease Resistance R (In Ω) Average Ratio R/Rrt Temperature T (In K) T4 In K4 Power P=VI (In Watt) 0.5 1.14 1.15 1.145 2.29 6.7352941 1450.566395 4.42742E+12 0.5725 0.6 1.89 1.86 1.875 3.125 9.1911765 1877.526944 1.24264E+13 1.125 0.7 2.68 2.54 2.61 3.728571429 10.966387 2173.868346 2.23323E+13 1.827 0.8 3.43 3.32 3.375 4.21875 12.408088 2408.519532 3.36512E+13 2.7 0.9 4.28 4.12 4.2 4.666666667 13.72549 2618.899741 4.70409E+13 3.78 1 5.14 4.92 5.03 5.03 14.794118 2787.028539 6.03345E+13 5.03 1.1 6.24 5.9 6.07 5.518181818 16.229947 3009.723855 8.20553E+13 6.677 1.2 7.03 6.84 6.935 5.779166667 16.997549 3127.390342 9.56596E+13 8.322 1.3 7.93 7.73 7.83 6.023076923 17.714932 3236.543462 1.0973E+14 10.179 1.4 9.2 8.93 9.065 6.475 19.044118 3436.829857 1.39519E+14 12.691 DETERMINATION OF STEFAN-BOLTZMANN CONSTANT 14 y = 9E-14x - 0,2158 12 POWER P=VI (IN WATT) 10 8 6 4 2 0 0 5E+13 1E+14 T4 IN K4 1,5E+14