Please find the total charge transferred through the conductor in 10s when the current across this conductor grows exponentially from 0A to 5A. Hint: Exponential function is a function f(t)= Aexp(at)
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- The inner conductor of a long coaxial cable has radius a. The inner radius of the outer conductor is b. Inner conductor V0, outer conductor at 0 potential. Determine the electric potential and electric field strength in the insulating material.Which of the following is an effective tool to determine directly the conductor surface equation? the electric field at the conductor boundary; (The answer cannot be found on the other choices.) the surface charge density of the conductor; the potential field in the region;Compute the resistance of a conductor whose resistivity is 20.54 ohm-CM per foot with circularc ross-sectional area of 38 mm2a nd length of 5,000 meters. If the conductor is drawn until its resistance becomes 10 ohms, what will be its new length?
- The conductivity of a material is essentially expressed by the product of the number of free carriers and the mobility of these carriers. Explain why the conductivity of conductors increases at higher temperatures, while an opposite trend is seen with metals.A lead conductor is 5cm in length and 8 sq. cm in cross-sectioned area. The terminals to be joined by this conductor are 8 cm apart. Hence, the conductor was pounded and reshaped until it is 8 cm long. If the resulting conductor has uniform cross-sectional area, determine the resistance. Resistivity of lead is 22x10^-8 Ω-m.A single core underground cable has a conductor of radius, ½ dc and a sheath of radius, ½ ds. The potential difference between the conductor and the sheath is V. Using the information given answer the the following sub – questions: a) Derive an equation for the maximum electric field strength, E. b) Prove that ds= dce, where e = 2.72
- A solid cylindrical aluminum conductor 25 km long has an area of 336,400 circular mils. Obtain the conductor resistance at 20C and 50C. Find the AC resistance per Km of the cable at 50C. Assume a skin-effect correction factor of 1.02 at 50 Hz. The resistivity of aluminum at 20C is 2.8x10-8 ΩmA lead conductor is 5cm in length and 8 sq. cm in cross-sectional area. The terminals to be joined by this conductor are 8 cm apart. Hence, the conductor was pounded and reshaped until it is 8 cm long. If the resulting conductor has uniform cross-sectional area, determine the resistance. Resistivity of leads is 22x10^-8 Ω-m.Does the surface charge around the conductors of a DC circuit violate the steady state of that circuit? Explain? Note: If there is a way to give the answer typed here, I would appreciate it.
- Inductive reactance at 1-ft spacing (Xa) is dependent on the material of a conductor and inductive reactance spacing factor (Xd) is not. Why? Explain with proper equations and reasoning.for an infinite line charge along x-axis, the maximum firled strenght experienced by a test charge at (y,z) is? a. at distance equal to x b. at distance equal to y c. at distance equal to z d. depends on the line charge densityFind the capacitance in picofarad between inner and outer curved conductor surfaces shown in the figure containing two dielectrics, εr1 = 4.9 and εr2 = 3.5. Here r1 = 39.4 mm, r2 = 64.4 mm, α1 = 19.7 degrees, α2 = 41.2 degrees and L = 158.6 mm.