The resistance of a platinum wire is to be calibrated for low-temperature work.A platinum wire with resistance 2.000 Ω at 20°C is immersed in liquid nitrogen at 77 K (−196°C).If the temperature response of the platinum wire is linear,what is the expected resistance of the platinum wire at −196°C? [α_platinum = 3.92 × 10−³ (°C)−¹]. A) 0.153 Ω B) 1.768 Ω C) 3.69 Ω D) 0.307 Ω

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The Answer of The resistance of a platinum wire is to be calibrated for low-temperature work.A platinum wire with resistance 2.000 Ω at 20°C is immersed in liquid nitrogen at 77 K (−196°C).If the temperature response of the platinum wire is linear,what is the expected resistance of the platinum wire at −196°C? [α_platinum = 3.92 × 10−³ (°C)−¹]. A) 0.153 Ω B) 1.768 Ω C) 3.69 Ω D) 0.307 Ω

The Resistance of a Platinum Wire Is to Be Calibrated