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Data Communication
1. Write short notes on:
a. Sky wave propagationb. Line of sight propagation
2. List and describe the different types of errors that occur during data transmission.
3. What is the concept of multiplexing. Explain about Frequency-division multiplexing.
4. Illustrate Code-Division Multiple Access (CDMA).
5. Define topology? Explain the types of LAN topologies.
6. Briefly write short notes on IEEE 802.1Q VLAN standard.
Switching Characteristics During Turn off The techniques used for turning off a thyristor is known as commutation techniques. A thyristor can be can be turn off by reducin
Q. For the capacitor shown in Figure connected to a voltage source, sketch i(t) and w(t).
Q. What do you mean by diversifiability of total risk? Traditional finance theory assets that the rate of return on risk assets depends on the size of business risk, financial
Q. The voltage at terminal a relative to terminal b of an electric component is v(t) = 20 cos 120πt V. A current i(t) =-4 sin 120πt A ?ows into terminal a. From time t 1 to t 2 ,
A battery having of 12 cells are divided in three group which each group having of four cells in series. The three groups are joined in parallel. The emf of every cell is 1.5V and
The covers of electrical machines are made of (A) Soft magnetic materials. (B) Hard magnetic materials. (C) Super conductors. (D) Semicond
Vee vcc
#queComputers are frequently used in check-writing systems, such as payroll and accounts payable applications. Many stories circulate regarding weekly pay- checks being printed (by
Consider a colloidal suspension of latex particles confined between two plates. The plates are charged, so there is an electric potential difference V between them (as shown). The
what is frequency response plot?
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