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Explain effect of frequency of applied electric field.
If an external electric field is applied, the distance among charges that is related to chemical bonding keeps constant in the polarization; though, the polarization itself rotates. Since this rotation completes not instantaneously but in the delay time τ, that depends upon the surrounding local viscosity of the molecules and torque, dipolar polarizations lose the response to electric fields at the lowest frequency in polarizations. The delay of the response to this change of the electric field causes friction and heat.
Q. A practical voltage source is represented by an ideal voltage source of 30 V along with a series internal source resistance of 1.2 . Compute the smallest load resistance that c
Define Smoothing the Output? The output of a DAC is stepped, such as the analog waveforms which were sampled and held. This stepped, or staircase effect is a distortion, and it
Q. If the line of Problem 15.1.3 is made of copper whose resistivity ρ = 1.72×10 -8 ·m, determine the maximum length that can be used if losses are not to exceed 3 dB when f = 3
Electrical power Power P in an electrical circuit is given by the product of potential difference V and current I. The unit of power is the watt, W.
Q. Can you explain Twos complement addition? 2's Complement Addition Two's complement addition follows the same rules as binary addition. For example, 5 + (-3) = 2
Q Find the diameter of a circular waveguide that will have a lower cutoff frequency of 10 GHz and also specify its largest usable frequency.
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Three sine waves along with frequencies 100Hz, 200Hz and 350Hz and with amplitudes of 1V, 2V and 1.5V correspondingly, are added together to make a single waveform. What is the min
distingish between maximum and minimum modes of operations of 8086 with timing diagrames
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