1. A conductor has a resistance of 10.005 ohms at 25 C and 10.015 at 30C. Determine a. its temperature coefficient of resistance at 50 C. b. its inferred zero absolute temperature_
Q: 7) Two conductors of the same length and material but of different cross-sectional area are…
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A: Given network is From Ohm's law V=IRdV=dI RdV=V2-V1dI=I2-I1V2-V1=RI2-I1 ----(1)
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A: Given : Brief description : d1 = 0.175 inch When diameter is reduced to 0.8 inch d2 = 0.8…
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Q: . A conductor whose diameter is 0.175 inches has a resistance of 0.5 ohms. The wire is drawn through…
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Q: 2.4 For the circuit shown, a) Ifi, - 0.5 A and G = 50 mS, find v, and the power delivered by the…
A: A) From the given diagram Vg is given as
Q: 2- A single core cable 3 km long has an insulation resistance of 1820 MQ. If the conductor diameter…
A: Given length of cable=3km or 3000m, insulation resistance=1820 Mega ohm or 1820x10^-6 ohm, conductor…
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A: The solution can be achieved as follows.
Q: 1. A2-wire d.c. distributor A B is fed at both ends at the same voltage of 230 V. The length of the…
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Q: Determine the resistance of a copper conductor with a diameter of 6mm and a length of 20m. The…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
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A: In this question , choose the incorrect statement for resistance of the conductor.
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Q: Is the thickness of an insulating material considered as the outer radius in computing the…
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Q: 2. A certain conductor, has a resistance of 0.5 ohm. What is the resistance of the conductor of the…
A: Given, Case 1: Resistance R1 = 0.5 ohm Length L1 = L Diameter D1 = D Case 2: Resistance R2 =?…
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Q: The diameter of a cylindrical conductor A is 6 mm, and its length is 2 m. The diameter and length of…
A: Since the material A and B are the same hence the resistivity will be the same in both cases. From…
Q: The diameter of a cylindrical conductor A is 6 mm, and its length is 2 m. The diameter and length of…
A: we need to determine the resistance of conductor A.
Q: 1. A single-core cable has a conductor diameter of 2.5 cm and insulation thickness of 1.2 cm. If the…
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Q: Show that the resistance of any conductor of constant cross-sectional area A and length is given by…
A: let is say l = length of conductor A =area of cross-section of conductor σ = conductivity of…
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A: Given V=220 V load =4 units of 5.1 kW ambient temperature =38 degree C Copper wire
Q: the resistivity of a conductor ranges in giga ohm Select the correct response: O True O False
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Q: Č. Problems C1. For the configuration of conductors depicted below, find the electrodynamic force F,…
A: Given data: a = 2 cm b = 6 cm c = 4 cm L = 2 m I1=1000 A I2=2500 A I3=3000 A I4=5000 A
Q: A 2-wire d.c. distributor A B is fed at both ends at the same voltage of 230 V. The length of the…
A: The wire distribution system is shown below: The resistance of each section is calculated as…
Q: 3. A load that draws 12A is located 275 feet from its 240VDC source. It is supplied by aluminum…
A: Resistance of conductor will be given by :- VI = ρlAl = length of conductorA =area of conductor ρ…
Q: A load that draws 12A is located 275 feet from its 240VDC source. It is supplied by aluminum…
A: The solution can be achieved as follows.
Q: (b) A loss and charge method is one of the well-known methods for high resistance measurement.…
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Q: A conductor has a resistance of 10.005 ohms at 25 C and 10.015 at 30 C. Determine the: a)…
A: In this question we will find temperature coefficient of resistance...
Q: The resistivity of a material depend on its length and its cross section area.? True False
A: Given statement: The resistivity of a material depend on its length and its cross section area.
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A: a) It happens due to the skin effect that the current which is flowing in the ac conductor then the…
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Q: The characteristics of conductor material are (is): a. High tensile strength. b. High electrical…
A: OPTION D i.e ALL OF THE ABOVE IS CORRECT ANSWER
Q: Determine the resistance of a copper conductor with a diameter of 6mm and a length of 20m. The…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: Question is in the image
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A: Given a circular conductor in Z=0 plane. Magnetic flux density is Magnetic field is in +Z direction
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Q: Non Ferrous Metals possess High Electrical insulation properties? Select one: True False
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A: There is mentioned only three colors that is blend brown blue which means is has resistance of 1…
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A: Let the charge of the conductor A is Qa and charge on the conductor b is Qb Charge distribution = ρ
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- Which of the following is not true for ferromagnetic materials? Please choose one: a. High?mthey have value. b.Above the Curie temperature, they lose their non-linear properties. C. a fixedµrthey have value. D.The energy loss is proportional to the area of the hysteresis loop.1/ Suppose that there are two types of H.V.T.Ls operating at the same voltage and carrying the same current, but one of them with smooth shapewhile the other with standard shape. Which of them, you will choose? a. choosing the smooth one. b. choosing the standard one. c. choosing the one with hollow construction shape. d. all these answers are wrong. 2/ As the ambient temperature in crease the disruptive critical voltage of coron a is: a. Decreased b. Increased c. No effect d. All these answers are wrong. 3/ Using HV underground cable improvevoltageprofile and power factor in any loaded inductive electrical grid because. a. Due to its inductive power effect. b. Due to resistive Effect. c. Due to its capacitive power effect. d. All of the above answers are wrong.Electrical Engineering Find the smallest suitable conductor size for a building that will supply power to four (4) units of 5.1kW loads. Operating Voltage is 220V. Use THW insulated copper wire and assume 38°C ambient temp. Assume negligible Voltage drop in conductors.
- Besides lower electrical conductivity, suggest a reason why ruthenium is not used inelectrical transmission wires. Give a detailed responseProblem A potentiometer is an instrument for measuring an unknown voltage in comparison to a standard voltage. In the potentiometer shown in Figure 1.0 a 16.0-m stretch of wire AB is connected to a 9.00-V battery. The resistance per unit length of the wire is 16.0 0/mm. The movable contact P is at point B. An ammeter (circle with A inside) is connected to point A. 16.0 m A B www Figure: 1.0 A V = 9.00 VQ3: For each of the following, indicate True or False: 1- for good conductors, an increase in temperature results in an increase in the resistance level.. 2- First (current) law. At any instant the algebraic sum of the currents at a junction in a network is zero. 3- Lenz's law: Any change in the magnetic environment of a coil of wire will cause a voltage (emf) to be "induced" in the coil. 4- The frequency (f) is measured in Hz where the frequency (f) is related to the period (T) by the relation f == 5- The instantaneous voltage across a pure inductor, V, “lags" the current by 90° 6- Inductance is measured in henries (H) 7- Reluctance is directly proportional to length and inversely proportional to cross- sectional area (R =1 / m A)
- A wire of 59 in length and 4 mm2 has a resistance of 0.94 ohms. A 110-m length of wire of the same material has a resistance of 3 at the same temperature. Find the radius of this wire. The final unit must be in millimeter, mm.A 2-wire d.c. ring distributor is 300 m long and is fed at 240 V at point A. At point B, 150 m from A, a load of 120 A is taken and at C, 100 m in the opposite direction, a load of 80 A is taken. If the resistance per 100 m of single conductor is 0.030. find: (i) current in each section of distributor (ii) voltage at points B and C.We want to investigate how the field strength will be with air as dielectric and with steatite. A plate capacitor is placed in a 24 kV network between phase and ground. The relative permittivity of air is &=1 and for steatite &-6. The plate capacitor has area = 1m². The distance between the electrodes is 2 mm. Ep = 8.854-10-12 F/m A=1m² d=2mm a) Calculate the maximum field strength in the plate capacitor. (Answer: 9.8kV/mm) b) What is the capacitance of the capacitor if we use steatite? (Answer: C = 26.6nF)
- a) A coil consist of 2000 turns of copper wire having a cross sectional area of 0.8mm?. The mean length per turn is 80 cm and the resistivity of copper is 0.02µN-m. Find the resistance of the coil and power absorbed by the coil when connected across 110V D.C supply.An electromagnet shown below has a cross section area of 10 cm2 with a mean length of iron path of 100cm and mean length of airgap is 0.4cm . It is excited by a coil of 1000 turns of conductor windings. When a current of 1A is provided to the coil and the relative permeability of iron is 1300, then find the magnetic flux in the circuit. Select one: Oa. 1.25Wb O b. None of these Oc.0.00027Wb O d. 027W.A 2-wire d.c. ring distributor is 300 m long and is fed at 240 V at point A. At point B, 150 m from A, a load of 120 A is taken and at C, 100 m in the opposite direction, a load of80 A is taken. If the resistance per 100 m of single conductor is 0-03 Q, find :(i) current in each section of distributor(ii) voltage at points B and C * IA 150 m 120 A в A 240 V 100 m I - 120 IA - 200 80 A