wire has a resistance of 5.5 Ω at 19oC and 21.5 Ω at 200oC. Find the temperature coefficient of resistivity(α) of the material. a) 0.016 oC-1 b) 0.160 oC-1 c) 1.600 oC-1 d) 16.00 oC-1

Q: the 0.12-mm-diameter tungsten filament in a light bulb is to have a resistance of 0.2 £ at 20°C, ow…

A:

Q: Answer the following: a) A certain metal cable has a resistance R, and we have another cable of the…

A:

Q: A certain wire has resistance R. Another wire of the same material has half the length and half the…

A:

Q: Using Kirchhoff's rules, find the following. (8, = 71.0 V, 8, = 60.2 V, and 83 = 79.0 V.) 4.00 kN E…

A: E1 = 71 volts E2 = 60.2 volts E3 = 79 volts R1 = 2000 ohm R2 = 3000 ohm R3 = 4000 ohm Let I1 flows…

Q: A resistor is connected to a 8.4 V battery which delivers 1.7 x 108 J of energy to the resistor in 7…

A:

Q: 3. What potential difference exists across a resistor of resistance 45 22 if there is a current of…

A:

Q: An extension cord has a resistivity of p = 7.5 x 108 Q-m. The cord is made from copper wire with a…

A: Given data: The resistivity, ρ=7.5×10-8 Ω.m.  The diameter, d=0.55 cm The length, L=6.7 m

Q: slab y 2 cm a red 8 cm shape X 5 cm shown in Fig What is the resistance of the it along the z axis?…

A: we will need to use the formula for electrical resistanceResistance (R) = Resistivity (ρ) * (Length…

Q: You have a typical resistance of 100 kn. A) How much current could a 12V car battery pass through…

A:

Q: What is the current in milliamperes produced by the solar cells of a pocket calculator through which…

A:

Q: The temperature coefficient of resistivity for the metal gold is 0.0034 (C°)-1, and for tungsten it…

A:

Q: 14. Calculate the ratio of voltage across to the current flowing through for the battery. bat=[8V I…

A:

Q: Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance…

A:

Q: 5) A thin copper wire with a diameter 2.5 mm is connected to a 1.2-V potential difference, a current…

A: Diameter,  Potential difference,  Current,  Resistivity,

Q: 3) Some motorcycle enthusiasts wear electric vests that keep them warm as they ride. The vest is…

A: Solution:- 1) The current flowing through a conductor at particular temperature, is given by Ohm's…

Q: 19) The resistance of R, is 50 and R, is 100. R, is made of a nichrome wire (resistivity of 1.5 x 10…

A: The resistance R and the resistivity ρ of a wire are related to each other by the formula, R=ρLA…

Q: The temperature coefficient of resistivity of the material of the rod in Q.1 is (°C)¹. What is the…

A: In Question 1, the given values are:V = 14 VI = 18.8 AL = 1.40 mDiameter, D = 0.55 cm = 0.0055 m…

Q: 3.  Pure water has very few ions (about 1.20 × 1014 ions per cubic centimeter), giving it a high…

A:

Q: At 20°C, the carbon resistor in an electric circuit connected to a 6.5-V battery has a resistance of…

A: Given, Initial temperature of carbon resistor, T1 = 20o C Resistance at temperature T1 = 1.9 x 102 Ω…

Q: 3- The resistance of a copper wire is 3.35 0 at 0 °C. What is its resistance at 50 °C? For copper, a…

A:

Q: "wire table" states that 12-gauge copper wire at 20°C has a diameter of 2.053 mm, a cross-sectional…

A: Resistance for any conducting wire is given by the equation R=ρLAρ is the resistivity of the…

Q: A copper wire has a resistance of 0.420 A at 20.0°C, and an iron wire has a resistance of 0.437 A at…

A: