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ELECTRO MAGNETISM:
In this unit we learned about electromagnetism and the relationship that presents between and magnetic flux and electric current. The way in which electric current magnetizes a magnetic material was discussed in magnetization curve or B-H curve. In relation to B-H curve, phenomenon of magnetic hysteresis was also explained.
Magnetic circuit provides a path for magnetic flux and this is the basis of electromagnetism. Types of magnetic circuits which can be series or parallel were discussed.
A current carrying coil has self inductance and the inductance among two coils is called mutual inductance. We had elaborate discussion on these with instance. The coefficient of coupling among two coils find the degree of linking between their fluxes and it was studied.
Dot convention finds out whether e.m.fs between two mutually coupled coils are aiding or opposing and this was depicted with examples.
Series or parallel connection among two current carrying coils was explained. Series and parallel connection can again be aiding or opposing.
high resistivity materials
Limitations: 1. Silicon transistors do not function at voltages much higher than about 1,000 volts (SiC devices can be worked as high as 3,000 volts). In difference, electron
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Mention the categories of instruction and give two examples for each category The instructions of 8085 can be categorized into the following five Data transfer MOV Rd,Rs
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Explain the programming of 8254 microprocesser. 8254 Programming: All counters are individually programmed through writing a control word, followed with the initial count.
Q. Show Binary Coded Decimal Number System? If we analysis single digit values for hex, the numbers 0 - F, they represent the values 0 - 15 in decimal, and occupy a nibble. Fre
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