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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.
Q. Develop a schematic diagram of a system in which the D/A converter of Figure can be employed in a digital voltmeter.
What is the properties and application of iron?
find current across r3 with two voltage as sources
1) Use plot of the stock return and consider the Autocorrelation Function to determine the auto-regressive structure of the data and explain why you think the return is stationary
The observations from these experiments led to 'The Laws of Electromagnetic Induction' 1) 'If the magnetic flux threading through an electrical circuit changes, then an e.m.f.
In real life, transformers have losses which cause their behaviour to deviate from the ideal. Explain the reasons for this non-ideal behaviour
Q. What is Digital system components? The reason that digital systems are so inexpensive and yet so powerful is that they consist of very large numbers of just a few building
Q. Explain the block diagrtam of D.C. voltmeter with direct coupled amplifier. Sol. D.C, voltmeter with direct coupled Amplifier The D.C. electronic voltmeters
0PERATION OF POWER TRANSMISSION (SPEED GOVERNORS)
explain appropriate first aid procedure to be followed in case of electric shock
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