Q: 17. What will be tHe length of a silver wire of resistance 62 if an 80 cm wire of the same material…
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Q: 9. A household water heater has a resistance of 30 Ohm. The operating voltage is 220 V. Find the…
A: Resistance of water heater (R) = 30 Ohm Operating voltage (V) = 220 V We are required to find the…
Q: A piece of wire of length 48.9 cm made from a material of resistivity 1.6 ohm-metre was used to…
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Q: 3. Determine the equivalent resistance and the total current flowing through this circuit: | 25.0 0…
A: Hey, there are multiple questions posted; we are authorized to answer one question at a time, since…
Q: 10. Calculate the (a) resistivity and the (b) conductivity of a material that has a length of 15 m…
A: Given that length of the material and cross sectional area of the material and also given the value…
Q: A silver wire has a resistance of 2.1 ohm at 27.5 °C, and a resistance of 2.7 ohm at 100 °C.…
A: Given that - Initial temperature Final temperature Resistance of the silver wire at initial…
Q: 5. An electrical device of 48.6 Q resistance performs best when the current is 5.87 A. How much…
A: Here given an electrical device of resistance 48.6 ohm. It's performance is best when the current…
Q: 15 A current of 25.0 A is supplied to an appliance that has a resistance of 5.75 Q. What is the…
A: From ohms law we know that applied voltage and current has some sort of proportionallity i.e v=IR…
Q: 1. Compute the resistance of a hardened copper rod 2 meters long and 8 mm in diameter if the…
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Q: 3. Find the ratio of the diameter of aluminium (pA=2.7x10-8O:m) to copper (PC=1.7x10-³2•m) wire, if…
A: Given data: Resistivity of aluminium ,ρAl =2.7×10-8Ωm. Resistivity of copper ,ρCu =1.7×10-8Ωm.…
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: 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: 3. A 1-km cable consists of 12 identical strands of aluminum, each 3mm in diameter. What is the…
A: Given: The length of the wire is 1 km. The diameter of the wire is 3 mm. The number of strands is…
Q: 1. Compute the resistance of a hardened copper rod 2 meters long and 8 mm in diameter if the…
A:
Q: 4. A light bulb operating at 110 v draws 1.40 A of current. What is its resistance?
A: Ohm's law is a relationship between the voltage across an element, the current going through the…
Q: 5. At 20° C, 33 meters of copper wire has a resistance of 0.639 ohms. What is the resistance of 165…
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Q: 1.When lighted, a 100-watt light bulb operating on a 110-volt household circuit has a resistance of
A: As per guideline I m solving the first one, relation between power and resistance.
Q: If a certain silver wire has a resistance of 6.70 at 140 degree C, what resistance will it have at…
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Q: 2. A tungsten filament has a resistance of 133 Q at 150°C. If the temperature coefficient of…
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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: Determine the resistance of a bus bar made of copper if the length is 10 meters long and the cross…
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Q: 2. Calculate the (a) resistivity and the (b) conductivity of a material that has a length of 15 m…
A: (a) The expression for the resistance of a material is written as, Here, ρ, L and A represent the…
Q: 5) A copper wire 1.0 miles long, with a diameter of 1.00 mm. What is the resistance of the wire?
A: 5. The resistance of a wire is directly proportional to the length of the wire and inversely…
Q: 4- A linear resistance has a value of ohms. 5- The of a material is the mass per unit volume.
A: Required : 4. A linear resistance has a ..... value of ohms. 5. The ....…
Q: 4. A conductor has a resistance of 7-N at 0°C. At 20 °C, its temperature coefficient is 0.00333.…
A: For question 4 Given Resistance of conductor at 0°C R0=7Ω Temperature coefficient at 20°C…
Q: > 25.14 •• A wire 6.50 m long with diameter of 2.05 mm has a resist- ance of 0.0290 N. What material…
A: The materials' resistivity is the resistance of a unit area to the current flow. The complete…
Q: 5. A piece of metal wire has a resistance of 50 ohms. When it is stretched to 3 times of its length,…
A: Since there are multiple questions posted, we will answer the first question for you. If you want…
Q: 1. + is an electrical instrument used to measure current. To get the measurement, it is connected in
A: Note :Since you have posted multiple questions, we will solve only the first question for you. If…
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 x…
A: Resistance, R = 2 ohm Length, L = 10 m Cross section area, A = 2×10-7 m2
Q: 4. If the resistance of copper wire at 0°C is 1.25 ohms and the temperature coefficient of…
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Q: 4. Calculate the resistance of a copper wire with a diameter of 2.5968 mm having a length of 1000 m…
A: Let the wire’s radius is denoted by r and the wire ‘s length is denoted by l.
Q: 7. A silver wire has a resistance of 2.12 at 27.5 C, and a resistance of 2.72 at 100 C. Determine…
A: Given value--- Resistance R1 = 2.1 ohm. at T1 = 27.5 C. Resistance R2 = 2.7 ohm .at T2 = 100 C. We…
Q: 3. An alumunum wire of diameter D and length L has a resistance of 1.5 A. Find the length of another…
A: Resistance(R) of a wire is given by R=ρLA , whereρ is resistivity of material L is length of…
Q: 26. A copper conductor of circular cross section 5 mm in diameter is 10 m long. Calculate its…
A: Resistance of a wire is directly proportional to the length of the wire l and inversely proportional…
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…
Q: A wire 6.20 m long with a diameter of 2.05 mm has a resistance of 0.0290 ohms. What material is the…
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Q: 1.When lighted, a 80-watt light bulb operating on a 210-volt household circuit has a resistance…
A: )Given that; Power, P=80 W Voltage, V=210 V We have two relations; Power, P=I2R →(1) where I…
Q: 1. Find the drift velocity of electrons in a copper wire with a diameter of 130 mm if it carries a…
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Q: 2. Which physical properties of the olmic materials determine the magnitude of their resistance?
A: we know that, resistance is defined as : R = ρL/A
Q: 5. Compute the resistance of a hardened copper rod 2 meters long and 8 mm in diameter if the…
A: Given data: Length (L) = 2 m Diameter (D) = 8 mm = 8×10-3 m Resistivity (ρ) = 1.756×10-8 Ω.m…
Q: 1. A wire with a diameter of 0.001 in has an area of how many CM?. Round off your numerical answer,…
A: 1) The given diameter of the a wire is d = 0.001 in Formula used: Area of the circle = πR2…
Q: What is the cross-sectional area and diameter of tungsten wire that has a length of 1.0 meters and a…
A: length, L = 1 m Resistance, R = 0.32 Ω Resistivity, p = 5.25 x 10-8 Ωm
Q: 2. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found…
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Q: June wants to use a glass rod as an insulator. The rod's diameter is 9 mm and its resistivity at…
A: diameter of rod = 9 mm resistivity = 1×109 ohm-meter Resistance (R) = 9.1×1010 ohm
Q: 3. An aluminum wire of diameter D and length L has a resistance of 1.5 0. Find the length of another…
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Q: .3. A refrigerator uses 1200 W of power. If it has a total resistance of 352, what is the current…
A: Given: The power is 1200 W. The total resistance of the circuit is 35 Ω.
Q: 4. A conductor has a resistance of 7-0 at 0°C. At 20 °C, its temperature coefficient is 0.00333.…
A:
Q: 1. A charge of 3,600 C passes through an electric lamp in 3.0 min. What is the current in the lamp?
A: According to Bartleby guidelines we can only solve the first question at a time. Kindly post rest of…
Q: What is the resistance (in ) of a 21.5 m long piece of 27 gauge copper wire having a 0.361 mm…
A:
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- 1. A wire with a diameter of 0.001 in has an area of how many CM?. Round off your numerical answer, no decimal point. 2. What is the total or equivalent resistance of ten (10) nos of 10-ohm resistors connected in parallel?The heating element of a simple heater consists of a 2.0-m-long, 0.60-mm-diameter nichrome wire. When plugged into a 120 V outlet, the heater draws 8.0 A of current when hot.a. What is the wire’s resistance when it is hot?b. Use your answer to part a to calculate the resistivity of nichrome in this situation. Why is it not the same as the value of ρ given for nichrome in the given table?Q1: Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.60 seconds, what will be his final velocity and how far will he fall? Q2: A wire of length 3 m and area of cross-section 1.7 × 10-6 m2 has a resistance 3 × 10-2 ohm.a. What is the formula for resistivity of the wire and what is the unit of it?b. Calculate the resistivity of the wire.Q3: A point charge of −2 μC is located at the center of a cube with sides L=5 cm. What is the net electric flux through the surface?
- Part A:If there is an annealed copper wire with resistivity 0.172 nano ohm meters and a diameter of 2mm placed in an electric field of 16,000N/C, then how much current will go through the wire? Part BIf this wire (the same as in part A) has an electron density of 8.5x10^28 m^-3 then what is the drift velocity of the electrons in this wire? The charge of each electron is, as usual, 1.602x10^-19C.1) A resistor has a value of 20 ohms (Ω) when it is at 15 degrees Celsius. If the coefficient of thermal resistivity is 3.5 x 10-3/ Celsius, determine the value of the resistance at 97 degrees Celsius. Write your result to 3 significant figures. 2) A certain copper wire has a resistance of 10.0 ohm (Ω). a) At what point should the wire be cut so that the resistance of one segment is 4 times the resistance of the other segment? b) What is the resistance of each segment?1. Calculate the (a) resistivity and the (b) conductivity of a material that has a lengthof 15 m and a cross-sectional area of 5 × 10–8 m2 and a resistance (R) of 5 Ω.
- The heater element of a particular 120-V toaster is a 8.9-m length of nichrome wire, whose diameter is 0.86 mm. The resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10-6Ω m. What is the resistance of the toaster? If the toaster is operated at a voltage of 120 V, how much power does it draw? Clearly state the formulae you’re using and what your letters/symbols mean.Directions: Choose the letter of your answer.1. If the diameter of a wire is reduced to one half and the length of the wire iskept constant, what will be the new resistance of the wire?a. four times the original wireb. one-fourth of the original wirec. half of the original wired. double the original wire2. What happens to the resistance of pure metals if the temperature increases?a. remains unchangedb. increases or decreases depending on the metalc. decreasesd. increases3. With the increase in temperature, what will happen to the temperaturecoefficient of resistance?a. remains unchangedb. increases or decreases depending on the metalc. decreasesd. increases4. The resistance of the wire increases if___________.a. the length is decreasedb. the diameter is decreasedc. the cross-sectional area is increasedd. the resistivity is decreased5. Wire B has twice the resistance of Wire A. Its diameter is twice that of WireA. Then, for the two wires to have the same resistance, the ratio of…An electric device draws 6.10 AA at 240 VV. If the voltage drops by 25 %, what will be current, assuming nothing else changes? Express your answer to two significant figures and include the appropriate units. I final= If the resistance of the device were reduced by 25 %, what current would be drawn at 240 VV? Express your answer to two significant figures and include the appropriate units. I final=
- What is the current in milliamperes produced by the solar cells of a pocket calculator through which 4.00 C of charge passes in 4.00 h?(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A solid metal cylinder has a certain resistance. It is then heated and carefully stretched to form a longer, thinner cylinder. After it cools, will its resistance be the same as, greater than, or less than what it was before? Explain our choice.Referencing the picture, Can I ask for an explanation as to why can we measure resistance with a pencil drawn on a piece of paper? What is the component/material that is on the pencil that gives a high resistance? With the values given on the images, what are the corresponding color codes (indicate tolerance using a 4-band color code scheme)? If the first value is connected in series with the other value, what is the total resistance? If it’s parallel what is the total resistance?
