A heating element is made by maintaining a potential difference of 75.0 V across the length of a Nichrome wire that has a 2.60 x 10-6 m² cross section. Nichrome has a resistivity of 5.00 x 10-72'm. If the element dissipates 5000 W, what is its length? Give your answer in cm.
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Q: A heating element is made by maintaining a potential difference of 75.0 V across the length of a…
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- What current flows through a 2.54-cm-diameter rod of Pure silicon that is 20.0 cm long, when 1.00103 V is applied to it? (Such a rod may be used to make nuclear- particle detectors, for example.)A heating element is made by maintaining a potential difference of 75.0 V across the length of a Nichrome wire has a 2.60 x 10-6 m² cross section. Nichrome has a resistiv of 5.00 x 10-7 m. If the element dissipates 5000 W, wha its length? Give your answer in cm.A heating element is made by maintaining a potential difference of 75.0 V across the length of a Nichrome wire that has a 2.60 x 10-6 m² cross section. Nichrome has a resistivity of 5.00 x 10-7 :m. If the element dissipates 5000 W, what is its length? Give your answer in cm.
- A heating element is made by maintaining a potential difference of 75.0 V across the length of a Nichrome wire that has a 2.60 x 10-6 m² cross section. Nichrome has a resistivity of 5.00 x 10-7 Q m. If the element dissipates 5000 W, what is its length? Give your answer in cm. YanıtınızA 62.4 cm length of the material has a circular cross-section of diameter 12.1 mm. When a potential difference of 87 V is placed across the length of the material, a current of 12.5 mA flows. Calculate the resistivity of the wire. Give your answer to 2 decimal places.What is the resistance (in units of 2) of a wire made of a material with a resistivity of 3.2 x 10-8.m, if its length is 49.1 m and its diameter is 0.50 mm? Solect ono:
- ostro Imssb1.mutah.edu.jo/mod/ A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature (in units of C) when its resistance is 77 N. Assume the temperature coefficient of resistivity to be a= 3.92x 10 CA 5-meter-long conductor wth the diameter of 5mm is connected to a source and an external resistance. The temperature of the conductor changes from 25 degrees to 35 degrees. Determine the resistivities and resistances at each temperature. Thermal coefficient of the conductor is 40 x 10-3 and the conductivity at 20°C is 2.5465 x 104 per ohm-meter.4 Dei U50. CTICE AND -- A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 38.8 Q at 20.0°C. If its resistance increases to 39.4 Q at 28.5°C, what is the temperature coefficient of resistivity?
- A silver wire has a length of 33.0 m and a resistance of 2.60 Q at 20.0°C. Assuming a circular cross-section, what is the wire's diame resistivity of silver at 20.0°C is 1.59 100 m. mm Need Help? Read ItA copper (resistivity = 1.72 EXP-8 Ω.m) conductor with a square cross section, 1.0 mm on a side is 100 m long and is initially 20oC. 1. If the temperature coefficient (a) of copper is 0.00393 per degree Celsius, what is the change in resistance of the copper conductor if the temperature is increased to 100 degrees Celsius? 2. What is the resistance of this conductor?Wire C and wire D are made from the same material of resistivity p- 2.0 x 10 am. The length and radius of wire Care Le 1.0m and re 2.00 mm, and those of wire D are Le- 0.50.m and ro-0.75 mm. The wires are joined as shown in the figure. What is the resistance R between points 1 and 2?