5. A coil of wire has a resistance of 38 2 at 25° C and 43.7 2 at 55° C, What is the temperature coefficient of resistivity?
Q: A coil of wire has a resistance of 47.802 at 30 °C and 49.00 at 49 °C. What is the temperature…
A: We are given resistances at 2 different temperatures. We have to find temperature coefficient of…
Q: A silver wire has a resistance of 2.1 resistance of 2.7 temperature coefficient of resistivity of…
A: Given, A silver wire has a resistance of 2.1 at 27.5°C, and a resistance of 2.7 at 100°C. We need…
Q: A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature…
A: Given data: Radius R=19.8 cm=0.198m Dielectric constant k =2.16
Q: Estimate the average drift speed of the conduction electrons in a copper wire with a cross sectional…
A: Solution: Given:- Area of cross-section of the copper wire, A=3.5x10-7 m2, current, I=2.8A, and the…
Q: . An Iron wire at 0 Celcius has resistivity Ro. At which temperature the resistiv-
A: Δρ=αρ₁ΔT
Q: A coil of wire has a resistance of 55.8Ω at 26 °C and 54.1Ω at 61 °C. What is the temperature…
A: Initial temperature To = 26oC Final temperature T = 61oC Initial resistance Ro = 55.8 ohm Final…
Q: A resistor is found to have a resistance of 100Sat 20°C and a resistance of 112 at 55° What is the…
A: Electricity.
Q: A 0.500-meter length of wire with a cross-sectional area of 3. 14 × 10¬6 m meters squared is found…
A: Length (l) = 0.5 m Area of cross sectional (A) = 3.14x10-6 m2 Resistance (R) = 3.885x10-3 ohm we…
Q: Suppose you wish to fabricate a uniform wire from a mass m of a metal with density p and resistivity…
A: (a) The length of the uniform wire The equation for the volume is V=mρm The volume is written as…
Q: What is the resistance of a wire made of a material with a resistivity of 32×10° Q·m if its length…
A:
Q: 2. A wire has a radius of 1.90 mm. If the current in the wire is 6.14 A, the drift velocity is 4.86…
A:
Q: 2. WHAT SHOULD BE THE LENGTH AND CROSS-SECTIONAL AREA OF A WIRE FOR IT TO HAVE A RESISTANCE OF 100…
A:
Q: A wire 3.00 m long and 0.450 mm? in cross-sectional area has a resistance of 40.6 2 at 20.0°C. If…
A: We have the expression of Resistance values for conductors at any temperature (T°C):
Q: 3. The resistance of a copper wire at 30°C is 50 ohms. If the temperature coefficient of a copper at…
A: This is a very simple problem. We will use temperature coefficient of Resistance formula here. All…
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: The resistivity of certain metals becomes zero at :Select one а. О b. Very low temperatures .c Very…
A: From question: A metal's resistivity is a function of temperature; it rises as the temperature…
Q: 2. A 50 m long wire with a cross-sectional area of 5.5 mm2 has a resistance of 31 Ω at 0 °C.…
A:
Q: A 0.82 m long wire has a cross-sectional area of 3.6 x 10-° m² and is made of copper of resistivity…
A: Given data: L=0.82 mA=3.6×10-9 m2ρ=1.72×10-8 Ω.m Need to determine the resistance of the wire.
Q: 1. A 12' hollow tungsten rod has a cross-sectional area illustrated below. At 150°C, the resistance…
A: GIven the information Length of the hollow tungsten rod = 12 ft Resistance of the tungsten rod at…
Q: 1.How much energy does a 100-W electric bulb consume in two hours? 2.A stove element draws 15 A when…
A: "Since, According to the Guidelines we are only allowed to do First three questions, thus I have…
Q: A copper wire with a length of 5 meters and a cross-sectional a 10−6 m² has a resistivity of 1.68 ×…
A: Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is…
Q: A resistor has a temperature coefficient of 0.0009/9C. If the resistor has a resistance of 450 2 at…
A: The resistance of an circuit is the opposition that a circuit offers to the current that flows…
Q: 8. A copper bus bar, used to conduct large amounts of current at a power station, is 1.20 m long and…
A:
Q: The total charge entering a terminal is given by q = 2e3t cos (6rt), in µC. Determine the current at…
A: Given:Total charge entering a terminal, q = 2e3t cos 6πttime, t = 0.25 s
Q: A long, straight wire has the shape of a right-circular cylinder. The length of the wire is m and…
A: Length, l = L m Thickness, d = 0.80mm Resistance, R = 5.0L
Q: 3. Determine the thermal coefficient of resistance of copper at 50°C, then use this value to…
A: We have to find the thermal coefficient of resistance of copper as 50 degree Celsius.
Q: Iron has a resistivity of 9.71×10° Nm at 20°C. What will the resistivity of Lead when then…
A: We have given Resistivity at 20oC is ρo= 9.71× 108 Ω.m Initial temperature To = 20oC Final…
Q: 5. Find the resistance of a cylindrical shape copper wire with radius 25 mm which is shown in the…
A: Given: Resistivity of copper wire (ρ) = 1.7 x 10-8 ΩmRadius of copper wire (r) = 25 mm = 0.025…
Q: A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature…
A: Resistance at temperature T, is given by, R=R01 + α(T-T0) Where, R0 is resistance at temperature…
Q: 8. A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A…
A:
Q: A coil of wire has a resistance of 36.2Ω at 26 °C and 61.7Ω at 67 °C. What is the temperature…
A:
Q: 33. A sample of copper wire has a resistance of 45 ohms at 10°C. What is the maximum operating…
A: Answer Given data Resistance R1 = 45 Ω Temperature T1 = 10 ℃ α = 0.00409 The resistance of the…
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