A certain material has a resistance of 250 2 at 20°C. The material is then heated to 1500°C, calculate the new resistance. Given the temperature coefficient of resistivity of the material is 4.65x10.³ °C-¹.
Q: A common flashlight bulb is rated at 0.28 A and 2.7 V (the values of the current and voltage under…
A: We know, T=T0+1αRR0-1 where, T0 is the room temperature α is the coefficient of resistivity R is…
Q: What is the resistance (in Ohms) of a wire made of a material with a resistivity of 4.6× 10-8Ω⋅ m if…
A: Given The resistivity of the wire is Ꝭ = 4.6×10-8 Ω.m. The length of the wire is l = 2.9 m. The…
Q: pper wire has a resistance of 0.525 N at 20.0°C, and an iron wire has a resistance of 0.560 N at the…
A:
Q: A certain conductor wire has a resistance of 25 Q at 25°C. If the resistance 6. increased to 96 Q at…
A:
Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.015 Ω and a…
A:
Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.019 Ω and a…
A:
Q: A common flashlight bulb is rated at 0.37 A and 2.2 V (the values of the current and voltage under…
A:
Q: A thin silver wire has a resistance of 0.5 ohms when its temperature(in K) is To. The wire is then…
A: Temperature coefficient of silver = 0.0038 °C-1
Q: A physics student is studying the effect of temperature on the resistance of a current carrying…
A:
Q: If the resistance of a conductor is 4000 Ω, the length is 8 m and the resistivity value is 2000,…
A: solution as
Q: a) Determine the length (in mm) of a gold conductor that has a resistance of 0.018 Ω and a…
A: Given data: Resistance (R) = 0.018 Ω Cross-sectional area (A) = 3.4 × 10-9 m2 Resistivity of gold…
Q: Given the temperature coefficient of resistivity of a certain wire to be 3.1 x10−3 (°C)−1.By what…
A: Given temperature coefficient of resistivity , α=3.1 x10−3 (°C)−1 Let T1 =20.0°C T2 = 79.48…
Q: A wire at a temperature of 60.7°C has a resistance of 35.6 Ω. At 164°C the resistance is 94.7 Ω.…
A: Original resistance = 35.6 ohm new resistance = 94.7 ohm change in temperature = 164-60.7 = 103.3 C…
Q: A certain material has a resistance of 5 2 at 20°C. The material is then heated to 800°C, calculate…
A:
Q: (a) A 34.9-m length of copper wire at 20.0°C has a radius of 0.23 mm. If a potential difference of…
A:
Q: What is the change in a copper wire's resistivity when its temperature increases to 45°C from room…
A: Initial resistivity, ρo = 1.78×10-8 ΩmCoefficient of expansion, α = 3.9×10-3 (1/°C)Temperature…
Q: resistivity of a material
A:
Q: A certain laboratory experiment requires an aluminum wire of length of 22.0 m and a resistance of…
A:
Q: How long is a tungsten wire if it has a diameter of 0.109 x 10^-3 m and a resistasnce of 3.49…
A: The length of the tungsten wire is 579.47 m.Explanation:Step 1: Identify the given in the…
Q: Given the temperature coefficient of resistivity of a certain wire to be 3.1 x10-3 (°C)-1.By what…
A: Given data The temperature coefficient of resistivity of the wire is: α = 3.1 x 10-3 °C-1 The…
Q: At 20.0 degrees celsius, copper has a resistivity of 1.68e-8 ohms. Find the resistance of a 3.5m…
A:
Q: A certain laboratory experiment requires an aluminum wire of length of 31.0 m and a resistance of…
A: To calculate the diameter of the wire required. Given:length of wire: l=31.0 mresistance of wire:…
Q: A certain laboratory experiment requires an aluminum wire of length of 35.0 m and a resistance of…
A:
Q: What is the resistance (in Ohms) of a wire made of a material with a resistivity of 4.6× 10-8Ω⋅ m if…
A:
Step by step
Solved in 2 steps
- A wire 3.00 m long and 0.450 mm² in cross-sectional area has a resistance of 40.2 at 20.0°C. If its resistance increases to 40.5 at 28.5°C, what is the temperature coefficient of resistivity? (°C) -1A certain material is in a room at 25°C. If the absolute temperature (K) of the material is tripled, its resistance doubles. (Water freezes at 273 K.) What is the value for α, the temperature coefficient of resistivity?The resistance of a coil of copper wire is 4 Ω at 5 °C . What is the resistance at 55 °C .The coefficient of resistivity for copper is 4.3 × 10−3°C−.
- The resistivity of a material used to make a round 950W resistor is 53W per unit length. If the resistor has a radius of 0.16 in, what is it’s length?A 2.0 mm diameter iron wire ( resistivity, p = 9.7 x 10-° 2-m) carries a current of 2.5 A. Determine the potential difference across this 20m length of the wire. (A 1.544 v B 0.544 v C) 1.618 v 0.618 vA certain material has a resistance of 150 22 at 20°C. The material is then heated to 800°C, calculate the new resistance. Given the temperature coefficient of resistivity of the material is 3.65x10.³ °C-¹.