When core material of resistivity 0.4x10-6 Qm is used in a transformer, eddy current loss is 25 W. What is the eddy current loss in the transformer if the core material resistivity is 0.1×10-6 m

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3. A type J thermocouple is used to measure temperature with reference temperature 20 °C. If the voltage measurement of the thermocouple is 1.303 mV, the measured temperature is (a) 55 °C (b) 45 °C (c) 20 °C 1. Type J: IRON-CONSTANTAN 0 5 10 15 20 25 30 35 40 45 0 0.000 0.253 0.507 0.762 1.019 1.277 1.537 1.797 2.059 2.322 50 2.585 2.850 3.116 3.382 3.650 3.918 4.187 4.456 4.726 4.997

20 2 20 2 20 2 20 2 202 att a) 6.67 ohnm b) 46.67 ohm c) 26.67 ohm d) 10.67 ohm ss comme