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A certain parallel plate capacitor has circular plate of radius R = 10.0 cm. At some time t, while the capacitor is being charged, a current of 3.0 A is found to be flowing into the positive plate of the capacitor. In the figure, a cross section of the capacitor gap is shown. The positive plate of the capacitor is below the plane of the page, and the negative plate is above the planeof the page. All questions are for the given time t.
(a) What is the rate at which the electric field between the plates is changing? (b) What is the displacement current through a circular Ampere-Maxwell loop which is centered on the centerline of the capacitor and passes through point P, which is 5.0 cm from the centerline?
(c) Indicate on the drawing the direction of the induced magnetic field at point P.
(d) Starting with the Ampere-Maxwell law, find the magnitude of the induced magnetic field at point P.
Write a paper on the impact of electric power engineering on ethics and professional practice in electric power engineering. It must be 2- 3pages and in IEEE format.
The rotor of a 4 pole generator is wound with a 100 turn coil. If the flux per pole is 4.5mWb and the rotor turns at a speed of 1800 rpm, determine (a) The frequency of the induced voltage in the rotor.
Scientists have proposed using the radiation pressure of sunlight for travel to other planets in the Solar System. If the intensity of the electromagnetic radiation produced by the Sun is about 1.4 kW/m2 near the Earth
A spherical region defined by 0
determine the value that is to be assigned to k, in order that the damped natural frequency of the transient response will be 6.37 Hz and also calculate the damping constant
The Russian president and the Chinese counterpart need to come to an agreement by telephone. Neither can speak and understand each other's language. They need to employ translators. Compare this layered communication to OSI layers
a) Make a table showing each load and its complex power. b) Determine the total complex power and the overall power factor. c) Determine the magnitude of the total current supplied by the 600V source.
In case Ampere meter is connected in series with load. if there is also a short path, then what will be the current in Amp-Meter?
A circular ring of charge of radius a lies in the x-y plane and iscentered at the origin. If the ring is in air and carries a uniform density ρl show that the electric potential at(0,0,z) is given by V = ρl a / [2ε0(a2+z2)1/2 ]
A capacitor is formed by two metal parallel plates with the dimensions 210 mm x 210 mm separated by the gap of 1.2 um (u=micro) filled with dielectric material with relative dielectric permittivity 3.8.
Consider a 4-bit counter made with JK flip-flops with preset and clear inputs. Describe the changes/additions that need to make the counter reset after counting to 1001. Be sure to state any assumptions that are made.
If a unity gain (Avo=1) buffer amplifier with 1 M ohm input resistance and 10 ohm output resistance is interposed between source and load, what do the output voltage and power levels become. For the new arrangement, find the voltage gain from sour..
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