A 400-m long, 0.15 mm radius copper wire is coated with a thin insulating material. An engineer decides to use it for designing a temperature sensor for the range of -10°C to 20°C. A 1.5-V battery is used to bias the sensor. • Determine the resistance of the sensor and corresponding current at the two extremes of the sensor. ● • Determine the maximum power that the sensor will dissipate. Assume that the conductivity of copper is 5.8.107 S/m at 20°C and its temperature coefficient is 0.0039 Q/(°C).
A 400-m long, 0.15 mm radius copper wire is coated with a thin insulating material. An engineer decides to use it for designing a temperature sensor for the range of -10°C to 20°C. A 1.5-V battery is used to bias the sensor. • Determine the resistance of the sensor and corresponding current at the two extremes of the sensor. ● • Determine the maximum power that the sensor will dissipate. Assume that the conductivity of copper is 5.8.107 S/m at 20°C and its temperature coefficient is 0.0039 Q/(°C).
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![A 400-m long, 0.15 mm radius copper
wire is coated with a thin insulating
material. An engineer decides to use it for
designing a temperature sensor for the
range of -10°C to 20°C. A 1.5-V battery is
used to bias the sensor.
• Determine the resistance of the sensor
and corresponding current at the two
extremes of the sensor.
●
• Determine the maximum power that
the sensor will dissipate.
Assume that the conductivity of copper is
5.8.107 S/m at 20°C and its temperature
coefficient is 0.0039 Q/(°C).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf82ec8f-02f7-492b-b62b-f53ab94e90b9%2Fa08f62a9-09e2-4266-988a-2587d3c35240%2Fr3rnug1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 400-m long, 0.15 mm radius copper
wire is coated with a thin insulating
material. An engineer decides to use it for
designing a temperature sensor for the
range of -10°C to 20°C. A 1.5-V battery is
used to bias the sensor.
• Determine the resistance of the sensor
and corresponding current at the two
extremes of the sensor.
●
• Determine the maximum power that
the sensor will dissipate.
Assume that the conductivity of copper is
5.8.107 S/m at 20°C and its temperature
coefficient is 0.0039 Q/(°C).
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