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A 132 kV line with 1·956 cm dia. conductors is built so that corona takes place, if the line voltage exceeds 210 kV (r.m.s.).
If the value of potential gradient at which ionisation occurs can be taken as 30 kV per cm, find the spacing between the conductors.
describe with a numerical example the fundamental reason as to why live streaming video require a heavy usage of bandwidth as compared to live streaming audio. give a numerical example.
A combinational logic circuit has 3 outputs as described below: F1=Minterm(0,3,4) F2= minterm(1,2,7) F3= Maxterm=(0,1,2,4) Implement the circuit using a single decorder with active high outputs and external 2 input OR gates
Perform a link budget for a 25-kilometer point-to-point microwave link in the 30 GHz band. Calculate the free space loss (dB), received power dBm), fade margin (dB), and Fresnel zone radius(m) given the following: Tx Power = 70 dBm
A three phase bridge rectifier has a purely resistive load of R= 100 ohm and is supplied from a 280 V, 60 Hz supply. The primary and the secondary of the input transformer are connected in Y. Determine the average output voltage of the rectifier
The message waveform uses a root-raised-cosine line code with α=1. The bandpass filter in the receiver front end has a rectangular frequency response with a bandwidth equal to the absolute bandwidth of the received signal.
Design a circuit with minimum number of gates for a binary multiplier that multiplies two unsigned four-bit numbers, Using Inverters, AND, OR gates and Full Adders.
calculate the sending and receiving end voltages, power flows and transmission losses.- Increase, the demand to 1000 amps and recalculate the values.
The below circuit has an output 10 times the difference between the 2 input signals. Show how this could be realised using 2 Operational Amplifiers and 5 Resistors, and provide values of the resistors
Derive a minimal state table for an FSM that act as four bit parity generator. For every four bits that are observed on the input w during four consecutive clock cycles, the FSM generates the parity bit p = 1
A 64-square checkerboard is used as display board. Each square can be either lit or dark. What is the information content of such a display?
Suppose a fair coin is tossed n times. Each coin toss costs 'd' dollars and the reward in obtaining 'X' heads is aX^2 + bX. Find the expected value of the net reward.
Comment on the results. How do you know that the sampling frequency is sufficiently high?
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