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a) Sketch a simple vacuum tube device and the associated circuitry for measuring Em in a photoelectric effect type experiment. The electrodes can be placed in a sealed glass envelope.b) Sketch the photo current I vs. retarding voltage V the you would expect to measure for a given electrode material and configuration. Make the sketch for several intensities of light at a given wavelengthc) The work function of platinum is 4.09ev what retarding potential will be required to reduce the photocurrent to zero in a photoelectric experiment with Pt electrodes if the wavelength of the incident light is 2440 angstrom? Remember that energy of qI is lost by each electron escaping the surface.
In a binary digital communications systems, the bit energy required at the receiver input terminals is 50x10^-18 JOther parameters are as follows: Gt(dB)=24 dB Gr(dB)= 26 dB f= 10GHZ d=40,000 km
a) Determine the self inductance of coil 1, L11 b) Determine the self inductance of coil 2 L22 c) Determine the mutual inductance between the two coils, L12 or L21
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
Assume that we have an image represents a sinusoidal variation orthogonal to the x-axis with amplitude of 10 and period of 1 cm, that repeats infinitely in all directions within the plane. Further assume an average intensity of 10.
determine power and limiting error of the power?
c) Write the SOP boolean equations as obtained directly from the partial truth table above and sketch a logic circuit diagram for them. d) Reduce the above equations step-by-step into the simplest form that would use only NAND gates.
What is the (approximate) maximum electric field intensity for which constant mobility may be assumed for electrons in silicon. In a digital circuit with a supply voltage of 1V, what is the corresponding gate length for MOS transistors.
A long narrow rod has an atomic density of 5*1028 m-3. Each atom has the polarizability of 10-40 F m2. Find the internal electric field when an axial field of 1 V/m is applied.
An electric field E = 10z(hat) V/m exists in air (for which epsilon_r = 1) in the region defined by the equation z > 0. A dielectric medium with epsilon_r = 5 exists in the region defined by the equation z
Use computer graphics/ or by hand to illustrate 6-pole stator winding of an AC machine. For wt = 0 and wt = 180o show the phasor diagram of phase currents, polarity of currents in individual conductors, and the flux paths.
Rate at which succesful packets arrive at network node, After traversing a wireless filled channel packets arrive at a networks node according to a Poisson process with rate Lambda
If you are now told that the material is copper and one cylinder has length 5 cms and radius 1mm, what is its resistance. You will have to locate the resistivity for copper and give me the reference source.
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