A capacitor with square plates of edge length L is being discharged by a current of 1.1 A. The figure is a head-on view of one of the plates from inside the capacitor. A dashed rectangular path is shown. If L = 11 cm, W = 4.4 cm, and H=2.1 cm, what is the value of Bds around the dashed path? & B
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A: Area of plate (A) = 37.0 cm2 separation (d) = 2.62 mm Current ( i ) = 205 mA
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Q: A capacitor with square plates, each with an area of 37.0 cm2 and plate separation d = 2.44 mm,…
A: SOlution:Given thatA =37 cm2d = 2.44 mmI = 555 mA
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- The conventional current in a wire travels in the direction I =. Find the direction of the velocity of electrons in the wire, û. û = (In an ion accelerator, 2.40x1013 helium-4 nuclei (charge +2e) per second strike a target. What is the magnitude of the beam current? HA k at nt rences Next > Mc Graw Hill < „Prev 3 of 10 acerA charge of 12 C passes through the filament of a car headlamp bulb in 4 s. What is the current? A current of 0,5 A flows for 20 s through a small electric motor. How much charge has passed? A current of 200 mA flows for 2 minutes. How much charge has passed? Solve and complete the given table. Show your solution.
- Equation1: Q(t)=CVcap(t) Equation 2: Qcharging(t)=CV(1−e^(−t/RC)) 1. Combine equations 1 and 2 to create an equation capable of finding the time-dependent voltage across a charging capacitor. Equation 3: I(t)≡(dQ(t))/(dt) 2. Combine equations 2 and 3 to create an equation capable of finding the time-dependent current across a charging capacitor.Throughout the voltage divider experiment a student observes the current never changes as long as the power supply voltage is never changed. They would like to make a plot to determine if the potentiometer is linear with respect to wiper position. Which of the following plots allows for that determination by giving a straight line if the device is linear? All of these plots will give a straight line if the potentiometer is linear. O A plot of V₁ - V₂ (vertical axis) vs (horizontal axis). A plot of (vertical axis) vs (horizontal axis). O A plot of V₁ + V₂ (vertical axis) vs 4 (horizontal axis). O A plot of V₁ (vertical axis) vs l₁ (horizontal axis).Needs Complete typed solution with 100% accuracy.
- A potential difference V(t) = V0 sin ωt is maintained across a parallel-plate capacitor with capacitance C consisting of two circular parallel plates. Athin wire with resistance R connects the centers of the two plates, allowing charge to leak between plates while they are charging. (a) Obtain expressions for the leakage current Ires (t) in the thin wire. Use these results to obtain an expression for the current Ireal (t) in the wires connected to the capacitor. (b) Find the displacement current in the space between the plates from the changing electric field between the plates.(c) Compare Ireal (t) with the sum of the displacement current Id (t) and resistor current Ires (t) between the plates, and explain why the relationship you observe would be expected.. Calculate the time-averaged electric current of an electron flying in a circle with radius R andvelocity v.A properly insulated, tightly wound, 83 cm solenoid is made from wire that is 0.415 mm in diameter. When steady current flows through the solenoid, a potential difference of 7 V is measured across the solenoid terminals. The field inside the solenoid is measured to be 0.5 mT, and the cross section of the solenoid is 2 cm². What is the resistivity of the wire material? Number 2 m.
- A long rod, radius R, that has uniform positive charge density p is spun around its central axis with angular velocity w, as shown below, so that the charges follow circular paths centered on the axis. Current is the flow of charge, so we have rings of current of varying radius r. You may want to review the following relationships: Current density J = dI/dA = pv (from chapter 24!) and v=wr (from PHY 204!) This means that the rotating rod of charge is equivalent to a non-uniform current density J = pwr, where the current is circulating around the axis and r is the radial distance from the axis. Note this has the same symmetry as the solenoid (current flowing in circles, field lines straight and parallel to the axis). The difference is that this is like having many nested solenoids, and as we head out from the axis, we see more and more current. R I will walk you through the steps for using Ampere's law to find the magnetic field inside the rod. (a) Draw a diagram of a cross section of…The thin copper wire with radius of 1.3 mm is wound into a torus shaped coil as revealed in figure.from copper wire 8.75 x 10-2ampere electric current passing though in 4800 sec. Number of free electronsper cubic meter in copper wire is 5.8 x 1028. Calculate magnitude of electron’s drift velocity in thediameter of copper wire. Note: Solve as soon as possibleThe radii of the two concentric conductive spheres are r1 and r2>r1. The resistivity of the material between the spheres is p. If the total current I from the inner sphere to the outer sphere, Find the electric potential difference between the spheres.Give your answer in terms of (r1, r2, p, I).