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Q. What are transmission bridges? How do they assist in satisfying the connectivity?
Ans: A typical transmission bridge is demonstrated in figure. Series capacitance and shunt inductances of the two relays provide a high-pass filter to transmit the AC speech signals whereas relays respond independently to the DC loop/disconnect signals from calling and called customer.
A signal stands for 0110 with positive logic in which low stands for 0 and high stands for 1. If negative logic (in which low stands for 1 and high stands for 0) is used, what digi
Determine Capacitance of capacitor: A 20 Ω resistor is connected in series with a coil, a capacitor and an ammeter across a 25 V variable frequency supply. While the frequency
Find the resistance of 800 m of copper cable of cross-sectional area 20 mm . Take the resistivity of copper as 0.02 Ωm.
Write short note on dielectric constant. All insulation material has the capacity to store charge while placed in among two conducting plates as in capacitors. Dielectric const
What are the different types of methods used for data transmission? The data transmission among two points involves unidirectional or bi-directional transmission of meaningful
The dielectric constant of air is practically taken as (A) more than unity. (B) Unity. (C) less than unity. (D) Zero.
Q. Characteristics of Transformer? The characteristics of most interest to power engineers are voltage regulation and ef?ciency. The voltage regulation of a transformer is a me
how can I use switching diodes to achieve SPDT "relay" function? 2 inputs 12vdc..for BI-Color LED.
Octal to binary Conversion Conversion form octal to binary is the reverse of this process. Express each octal digit in three bit binary equivalent. Ex. Convert 3576
Your manager has requested you to review current techniques for reducing, or eliminating, the effects of external interference upon electronic circuits. He requires a short report
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