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: the resistance
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Q: aror
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Q: 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…
A: Find the temperature coefficient of resistivity. R=R01+αT-T0RR0=1+αT-T0RR0-1=αT-T0α=RR0-1T-T0
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: 68. A piece of wire 1 foot long with crosses sectional area of 10s square inch has a resistance of…
A: The resistance of 200 ft of the wire. Given, Length of the wireL=1 foot=12 inchescross sectional…
Q: What is the resistance (in units of N) of a wire made of a material with a resistivity of 3.2 × 10-8…
A:
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: 1. What current flows through a 0.50 mm diameter wire of Platinum that is 80.0 cm long, when 12 V is…
A:
Q: 3. The resistance of a copper wire with circular cross section of radius a and length L is R. If we…
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Q: 3. An electric motor winding uses 180 m of copper conductor with a cross-sectional area of 0.26 cm2.…
A:
Q: A platinum wire is used to determine the melting point of indium. The resistance of the platinum…
A: The required expression for the melting point temperature of indium,
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. A wire has a diameter of 10mm, length 50m and resistivity 3.8 x10-8Qm. What is the resistance of…
A: 2 3:
Q: 2. WHAT SHOULD BE THE LENGTH AND CROSS-SECTIONAL AREA OF A WIRE FOR IT TO HAVE A RESISTANCE OF 100…
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Q: 2. Find the equivalent resistance of the following circuit, and the current and the voltage across…
A: Q2)Given:A circuit diagram with values of resistances and battery.Asked:to find equivalent…
Q: A thermometer made of Platinum has a resistance of 50 N at 20 C, what is the measured temperature…
A:
Q: A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature…
A: Given, Resistance (R1)= 50 ohms at 20 degrees Resistance (R2)=78.5 ohms Temperature coefficient of…
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: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 × 10-8…
A:
Q: 1. Solve the following resistance problems: a. A 4.2 cm long copper wire has a cross-sectional area…
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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.…
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Q: The resistivity of gold is 2.44 × 10-º Q • m at room temperature. A gold wire that is 0.9 mm in…
A: Given information: The resistivity of the gold (ρ) = 2.44×10-8 ohm .m The diameter of the gold wire…
Q: 4. The resistance of a resistor changes with temperature; the equation is given as: R= a T^2 + bT+…
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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: . A certain lightbulb has a tungsten filament with a resistance of 19.0 N when at 20.0°C and 140 N…
A:
Q: 1. Find the resistance of an aluminum wire that has a length of 200 meters and 1.63 mm diameter. The…
A:
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