A certain wire has a resistance of 100 Q. At what point along the length must the wire be cut so that the resistance of one piece is 8 times the resistance of the other? Calculate the resistance of each piece?

Q: A wire with a resistance of 8.5 Ω is drawn out through a die so that its new length is 3 times its…

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Q: A thermometer made of Platinum has a resistance of 50 at 20 C, what is the measured temperature (in…

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Q: A piece of copper wire of resistance R is cut into 3 equal parts. When these three are connected in…

A: Given: The resistance of the copper wire is R. The copper wire cuts into three identical parts.

Q: A given wire has a resistance of x ohms. If the wire is stretched to double its length and quadruple…

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Q: A copper wire has a resistance of 50 ohms at 25°C (room temperature). The temperature coefficient of…

A: The electrical resistance of a conductor, such as a copper wire, is not constant. It changes with…

Q: A wire with a resistance of 4.7 Ω is drawn out through a die so that its new length is 3 times its…

A: Given value--- A wire with a resistance of 4.7 Ω is drawn out through a die so that its new length…

Q: The resistance of a conductor 1 mm2 in cross-section and 20 m long is 0.346 Q. Determine the…

A: Given  Area A=1mm2=1×10-6 m2 Length L=20m Resistance R=0.346Ω

Q: How does the resistance of a metallic wire depend on its

A: Given;  Explain with reason, How does the resistance of a metallic wire depends on its temperature.

Q: Calculate the resistance of 100 m length of a wire having a uniform cross-sectional area of 0.1 mm^2…

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Q: A conducting wire with a resistance of 20 Ω is melted and with that material another wire four times…

A: Given in question - Initial resistance(R) = 20 Ω                                 New length (L') =…

Q: A lightbulb has a resistance of 280 N when operating with a potential difference of 80 V across it.…

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Q: A given copper wire has a resistance of 5.20 2 at 20.0°C while a tungsten wire of the same diameter…

A: Given: The resistance of copper wire is 5.20 ohms. The temperature is 20.0 degrees Celcius. The…

Q: A given copper wire has a resistance of 5.08 2 at 20.0°C while a tungsten wire of the same diameter…

A: The resistance of copper wire = 5.08 ohm  Resistance of Tungsten wire 4.71 ohm

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

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Q: The temperature coefficient of resistance of a material is 0.05/°C. At 10°C, the resistance of a…

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Q: The resistance of a 10 meters length of wire is 1.2 kΩ. Determine (a) the resistance of a 5 meters…

A: length = l1 = 10 m resistance = R1= 1.2 kΩ

Q: A certain wire has a resistance of 76 N. What is the resistance of a second wire, made of the same…

A: The given data are: R1=76 ΩL2=L4D2=D3

Q: A copper wire has a resistance of 0.500 Ω at 20.0 °C, and an iron wire has a resistance of 0.525 Ω…

A: The resistance of the copper wire at 20.0 °C,   The resistance of the iron wire at 20.0 °C,

Q: What is the temperature coefficient of resistance of a piece of wire having a resistance of 11.56 Ω…

A: Let the reference temperature is given by t0 . Let the resistance at the reference temperature is…

Q: A given copper wire has a resistance of 5.14 2 at 20.0°C while a tungsten wire of the same diameter…

A: Write the expression for resistance for tungsten and copper and equate to find the temperature at…

Q: The resistance of a copper wire at 20°C is 50 ohms. What will be the resistance in the wire if the…

A: Given value--- Resistance = 50 ohm. temperature T1 = 20 degree . temperature T2 = 75 degree .…

Q: A small bulb is rated at 5.9 W when operated at 125 V. The tungsten filament has a temperature…

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Q: A coil of wire has a resistance of 20 omega at 20°C and a resistance of 25 omega at 30°C. What is…

A: We have the resistance of a coil Ro=20 ohms at temperature To=20oC and R=25 ohms at temperature…

Q: An aluminum rod with a square cross section is 2.2 m long and 6.2 mm on edge. (a) What is the…

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Q: A current of 10 A flows through a resistance of 15 Ω for 2 minutes. How many coulombs and how many…

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Q: A wire with a resistance of 7.6 S is drawn out through a die so that its new length is 3 times its…

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Q: Table 3 - Resistivity of Different Materials Length of the wires: 0,240 m Cross Sectional Caleulate…

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Q: The resistance of a copper wire at 20 degrees is 40Ω. The length of an aluminum wire is 6 times the…

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Q: A potential difference of 120 V is applied across a resistor of unknown resistance. If the heat…

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Q: An aluminum rod with a square cross section is 2.3 m long and 6.5 mm on edge. (a) What is the…

A: Given resistivities of the Aluminum and Copper are, ρAl=2.75×10-8 Ω mρCu=1.69×10-8 Ω m The…

Q: A wire with a resistance of 8.6 Ω is drawn out through a die so that its new length is 3 times its…

A: Relation between resistance and resistivity is,

Q: otal resistance of 3.25 Q is to be produced by connecting an unknown resistance to a 12.28 Q…

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Q: e resistance of a copper wire is 20 Q. If a voltage of 10 V is a ross the wire, determine the…

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Q: A wire with a temperature coefficient of resistance (-0.0060/C) has a resistance of 5.64 at 20° and…

A: The two wires have the same resistance at 26.52°C temperature.

Q: A resistance thermometer using a platinum wire is used to measure the temperature of a liquid. The…

A: Given data: The resistance is R1=2.42 Ω. The resistance is R2=2.98 Ω The thermal coefficient is…

Q: A wire is drawn through a die, stretching it to three times its original length. By what factor does…

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Q: A copper wire has a resistance of 0.400 2 at 20.0°C, and an iron wire has a resistance of 0.430 Q at…

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