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t 2o.o°c. over what temperat ange (in c) can it be esistor made of Nichrome wire...
A resistor made of Nichrome wire is used in an application where its resistance cannot change...
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.30% from its value at 20.0°C. Over what temperature range (in oC) can it be used? Enter the smaller value in the first box. From -57.5 degC to 97.5 degc Submit Answer Incorrect. Tries 1/10 Previous Tries
A resistor made of Nichrome wire is used in an application where its resistance cannot change...
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.05% from its value at 20.0°C. Over what temperature range can it be used in °C)? lowest temperature °C highest temperature oC
stuck on these 2 questions 1. A resistor made of Nichrome wire is used in an...
stuck on these 2 questions 1. A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 2.53% from its value at 20.0°C. What is the highest temperature at which this resistor can be reliably used? The temperature coefficient of resistivity for Nichrome is 0.4 ✕ 10−3 (°C)−1. 2. An electronic device designed to operate at any temperature in the range from −9.9°C to 78.7°C contains pure carbon resistors. What is the percent...
A certain toaster has a heating element made of Nichrome resistance wire. When the toaster is...
A certain toaster has a heating element made of Nichrome resistance wire. When the toaster is first connected to a 140-V source of potential difference and the wire is at a temperature of 20.0°C), the initial current is 1.70 A, but the current begins to decrease as the resistive element warms up. When the toaster reaches its final operating temperature, the current has dropped to 1.53 A. (a) Find the power the toaster converts when it is at its operating...
A certain toaster has a heating element made of Nichrome resistance wire. When the toaster is...
A certain toaster has a heating element made of Nichrome resistance wire. When the toaster is first connected to a 130-V source of potential difference (and the wire is at a temperature of 20.0°C), the initial current is 1.70 A, but the current begins to decrease as the resistive element warms up. When the toaster reaches its final operating temperature, the current has dropped to 1.53 A. (a) Find the power the toaster converts when it is at its operating...
20837731 A certain toaster has a heating element made of Nichrome resistance wire. When the toaster...
20837731 A certain toaster has a heating element made of Nichrome resistance wire. When the toaster is first connected to a 140-V source of potential difference (and the Initial current is 1.80 A, but the current begins to decrease as the resistive element warms up. When the toaster reaches its firal the wire is at a temperature of 20.0 c), final operating temperature, the current has dropped to 1.53 A a) Find the power the toaster converts when it is...
Question 12 1 pts A Nichrome wire is used as a heating element in a toaster....
Question 12 1 pts A Nichrome wire is used as a heating element in a toaster. From the moment the toaster is first turned on to the moment the wire reaches it maximum temperature, the current in the wire drops by 20% from its initial value. What is the temperature change in the wire? The temperature coefficient for Nichrome is a = 0.0004 (°C)-7. O 100°C O 500°C
A particular application requires a 10 m length of aluminum wire to have a resistance 0.40...
A particular application requires a 10 m length of aluminum wire to have a resistance 0.40 mΩ at 20∘C. If the resistance of the wire cannot vary by more than ± 7.5 % from its value at 20 ∘C, to what operating temperature range should it be restricted? What would be the operating range if the wire were, instead, made of copper?
When a heating a coil made of 34.0 m of 1.0 mm diameter Nichrome wire is...
When a heating a coil made of 34.0 m of 1.0 mm diameter Nichrome wire is in use, its temperature increases from 20°C to 140°C. The heating coil in connected to a 9V battery. What will happen to the current in the heating coil as the temperature increases? A) The current will increase B) The current will decrease C) The current will remain the same D) The current will increase and then decrease
An air heater may be fabricated by coiling Nichrome wire and passing air in cross flow...
An air heater may be fabricated by coiling Nichrome wire and passing air in cross flow over the wire. Consider a heater fabricated from wire of diameter D 1 mm, electrical resistivity P, conductivity 10 - 25 W/m - K, and emissivity .m. thermal The heater is designed to deliver air at a temperature of = 0.20 T. -50°C under flow conditions that provide a con- vection coefficient of 250 W/m The temperature of the housing that encloses the wire...
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.30% from its value at 20.0°C. Over what temperature range (in oC) can it be used? Enter the smaller value in the first box. From -57.5 degC to 97.5 degc Submit Answer Incorrect. Tries 1/10 Previous Tries
A resistor made of Nichrome wire is used in an application where its resistance cannot change more than 1.05% from its value at 20.0°C. Over what temperature range can it be used in °C)? lowest temperature °C highest temperature oC
A certain toaster has a heating element made of Nichrome resistance wire. When the toaster is first connected to a 140-V source of potential difference and the wire is at a temperature of 20.0°C), the initial current is 1.70 A, but the current begins to decrease as the resistive element warms up. When the toaster reaches its final operating temperature, the current has dropped to 1.53 A. (a) Find the power the toaster converts when it is at its operating...
20837731 A certain toaster has a heating element made of Nichrome resistance wire. When the toaster is first connected to a 140-V source of potential difference (and the Initial current is 1.80 A, but the current begins to decrease as the resistive element warms up. When the toaster reaches its firal the wire is at a temperature of 20.0 c), final operating temperature, the current has dropped to 1.53 A a) Find the power the toaster converts when it is...
Question 12 1 pts A Nichrome wire is used as a heating element in a toaster. From the moment the toaster is first turned on to the moment the wire reaches it maximum temperature, the current in the wire drops by 20% from its initial value. What is the temperature change in the wire? The temperature coefficient for Nichrome is a = 0.0004 (°C)-7. O 100°C O 500°C
An air heater may be fabricated by coiling Nichrome wire and passing air in cross flow over the wire. Consider a heater fabricated from wire of diameter D 1 mm, electrical resistivity P, conductivity 10 - 25 W/m - K, and emissivity .m. thermal The heater is designed to deliver air at a temperature of = 0.20 T. -50°C under flow conditions that provide a con- vection coefficient of 250 W/m The temperature of the housing that encloses the wire...
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