33. A sample of copper wire has a resistance of 45 ohms at 10°C. What is the maximum operating temperature if the resistance of the wire is to increase by at most 15 percent? a at 10°C is 0.00409 per °C

Q: A gold resistance thermometer has a resistance Ro = 70.0Ω at To = 20°C. The temperature coefficient…

A: SOlution: given that  Ro = 70.0Ω To = 20°C Temperature coefficient of resistance is 3.4x10-3°C R…

Q: 2. Calculate the current density in a copper wire at 20°C, if an electric field of 0.470 V/m exists…

A: The equation for the resistivity of the wire is given by,

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Q: A metal wire has a resistance of 10.00 A at a temperature of 20.0°C. If the same wire has a…

A: The change in resisitance with respect to change in temperature shows a linear natur.therefore, we…

Q: The resistance of a wire that is 105 cm long is 20.5 Q. After the temperature change, its resistance…

A: Information Given:- Length of the wire is l=105 cm Initial resistance of the wire is R0=20.5 Ω…

Q: Calculate the energy cost of an electroplating process running at 0.71 V and 27.7 A for 3431 s…

A:

Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…

A:

Q: a batch of parts is plated with copper in an electrolytic bath running at 0.20 V and 12.0 A for…

A: Given: Voltage V=0.2 V Current I=12.0 A Time t=3 hrs Energy cost =5 per KWh   To find:  Total energy…

Q: At 20°C, the carbon resistor in an electric circuit connected to a 5-V battery has a resistance of 2…

A: The resistance of the circuit is

Q: Silver has a resistivity of 1.59x10-8 at 20 oC. What is its temperature coefficient of resistance at…

A:

Q: Resistivity (A-m) 2.65 x 10 Material Aluminum Соpper Gold Iron | 1.68 x 10 244 x 10 9.71 x 10…

A:

Q: 3. A wire 6.50 m long with diameter of 2.05 mm has a resistance of 0.0290 Q. What material is the…

A: Given:-  Length of the wire L= 6.50 m  Diameter of the wire  d= 2.05 mm  The resistance of the wire…

Q: 1. A wire 50 m long and 1 mm in radius is connected to a battery 9.11 V with a current of 36 A.…

A:

Q: 10. An aluminum wire (resistivity at 20°C of 2.65x10-8 2m, temperature coefficient of 0.00429/°C) is…

A:

Q: A wire with a length of 2.0 m and a diameter of 1.0 mm has a resistance of 0.45 2. What is the…

A: Given data:  Length (L) = 2.0 m Diameter (d) = 1.0 mm = 1.0×10-3 m Resistance (R) = 0.45 Ω Required:…

Q: If a certain silver wire has a resistance of 6.70 at 140 degree C, what resistance will it have at…

A:

Q: How much would you have to raise the temperature of a copper wire (originally at 20C) to increase…

A:

Q: 1. The resistance of a wire of length 10 m is 2 ohm. If the area of cross section of the wire is 2 ×…

A: Since you have asked multiple question, we will solve the first question for you. If you  want any…

Q: A length of copper wire is connected to a constant voltage source and a current of 0.4 A is…

A:

Q: 3. The resistance of a uniform copper wire 50.0 meters long and 1.15 mm in diameter is 0.830 ohms at…

A: 3 Given: Resistance (R) = 0.830 ohms Length (L) = 50.0 m Diameter (D) = 1.15mm

Q: A gold wire 2 mm in diameter and 100 m long is heated to 300°C. Note: Po = 2.44 x 10 -8 2-m @ 20° C,…

A: Given: The length (l) of the wire is 100 m. The diameter (d) of the wire is 2 mm. The resistivity of…

Q: A tungsten wire is used to determine the melting point of indium. The resistance of the tungsten…

A:

Q: At 20 degrees * C the carbon resistor in an electric circuit connected to a 5.0 V battery has a…

A: Given     Intial temparature T1 = 20°C  Resisteance at  20.C is R0 = 200 r   Final temparature T2…

Q: A silver wire has a resistance of 2.1 Q at 27.5 °C, and a resistance of 2.7 Q at 100 °C. Determine…

A: Given data: T1=27.5°CR1=2.1Ω resistance of silver wire at T1T2=100°CR2=2.7Ωresistance of silver wire…

Q: A metallic wire with resistance 8Q, cross-sectional area 8.2x10 m, and conductivity a- 5.81x10 o'mis…

A: Write the expression for the current.

Q: 4. Determine the thermal coefficient of resistance of copper at 30°C, then use this value to…

A:

Q: 1. Calculate the (a) resistivity and the (b) conductivity of a material that has a length of 15 m…

A: We have to use some basic formula here.

Q: Calculate the resistance of a copper wire with a diameter of 2.5968 mm having a length of 1000 m at…

A: The resistance of a conductor made of a certain material is directly proportional to the length of…

Q: 12. The resistance R of a conductor of length L and area of cross - section A carrying a current I…

A: Option d is correct.

Q: The diameter of 0-gauge copper wire is 8.252 mm. Find the resistance of a 1.00-km length of such…

A: Given that ,               The diameter d = 8.252 mm.                        Radius r =…

Q: 6- Copper wire with diameter (Imm), have a resistance of (1KN) and conductivity |(5.8*10's/m), the…

A: Diameter of copper wired=1mm=10-3mResistance of copper wire=1kΩ=103ΩConductivity of copper…

Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…

A: Let l and d are the length and the diameter of the conductor respectively, σ0 be the conductivity at…

Q: At 45°C, the resistance of a segment of gold wire is 67 N. When the wire is placed in a liquid bath,…

A:

Q: A length of copper wire (α = 0.004041 at 20o C) has a resistance of 5 ohms at 20 degrees Celsius.…

A:

Q: If a 60 W electric heater has a current of 4 A at 20°C, what will be the resistance if its…

A:

Q: What is the resistance (in units of 0) of a wire made of a material with a resistivity of 3.2 x 10-8…

A:

Q: A hormal conductor has the following characteristics: Resistivity at 20°C po = 7.21 × 10-8Nm 0.0034…

A: Soltuion: Givent that resistvity at 20 degree C, ρ = 7.21x10-8 ohm mtemeperature coeeficient α =…

Q: A piece of resistance wire, 15.6 m long and of cross-sectional area 12 mm² 0 °C, passes a current of…

A:

Q: A metal wire has a resistance of 10.0 l at a temperature of 20.0 ° C . If the same wire has a…

A: In the ques it is given that the resistance of wire is 10 Ω at 20°Cand 10.6 Ω at 90°C .

Q: A wire (of unknown material) is 10 m long with a 0.9 mm diameter and has a resistance of 0.383 Q at…

A: From the question, it is given that- Length of wire: l = 10 m Diameter of wire: d = 0.9 mm = 9 x…

Q: 2. Calculate the (a) resistivity and the (b) conductivity of a material that has a length of 15 m…

A: Current is defined as the rate of flow of charge carriers per unit time. The direction of the…

Q: The total energy used by an electric iron operating on 42 V for 200 seconds on a current of 4.8 A is…

A:

Q: 3. Consider a square aluminum wire with conductivity 3.5 x A V m wire is 2 x 10-2Y, what is the…

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Q: Pencil "lead" is actually mostly graphite (Carbon). You need a 4 Ohm resistor but only have 0.7 mm…

A:

Q: A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 39.5 Q at 20.0°C. If…

A: It is given that Ro=39.5 Ω at To=20oCR=40.2 Ω at T=28.5oC

Q: An electric heater is made by applying a potential difference of 100 V between the ends of a…

A: solution as

Q: At 20°C, the carbon resistor in an electric circuit connected to a 6.0-V battery has a resistance of…

A: Given  At 20° C ,  The voltage supply ,V = 6.0 V  Resistance , R = 2.6*102 ohm    At 73 ° C ,  the…

Q: The temperature coefficient of resistance for carbon at 0•C is -0.00048/•C. What is the significance…

A:

Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.