BASICS FOR BEEE COURSE . BEEE-PART-A INTRO.pptx

BASICS FOR BEEE COURSE . STUDENTS MAY UNDERSTAND EASILY BASIC FUNDAMENTALS.

1. BASIC ELECTRICAL AND ELECTRONICONICS ENGINEERING (23EE01) DC & AC Circuits • By R.ANJANEYULU NAIK ASSOC.PROF DEPT OF EEE,LBRCE, • 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 1

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7. Why do you study this course? 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 7

8. What are the contents of the course? Course Educational Objectives (CEOs) What are the abilities/capabilities getting after completion of the course? Course Outcomes (COs) Because our Institute adopted Outcome Based Education (OBE) Approach EXAMPLE: Do the B.Tech Programme ----getting CGPA 9.9 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 8

9. Course Outcomes : At the end of the course, the student will be able to: CO1: Extract electrical variables of AC & DC circuits using fundamental laws. (Understand) CO2: Understand the operation of electrical machines and measuring instruments. (Understand) C03: Classify various energy resources, safety measures and interpret electricity bill generation m electrical systems. (Understand) Course Educational Objective: This course enables student to illustrate the basics of applied electricity and electronics. BEEE CEOs and COs BLOOMS TAXONOMY LEVELS : 6 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 9

10. Why do you attain these COs? 11-06-2024 10 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE

11. 11-06-2024 11 TO ATTAIN YOUR A: 12 POS B.PSOs R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE

12. UNIT-I DC & AC CIRCUITS PART-A 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 12

13. What is ATOM? Everything is made of atoms which contain POSITIVE particles called PROTONS and NEGATIVE particles called ELECTRONS . Proton (+) Neutron Electron (-) BASIC DEFINITIONS: 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 13

14. copper has 29 protons in its nucleus and an equal number of electrons orbiting around it. atomic model of a copper atom Now consider a copper wire: matter filled with countless copper atoms. 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 14

15. Electrical Charge Electric charge is given the symbol Q Electrons are the charge carriers that flow in an electrical circuit from the negative to positive terminals . Because Electrons have a negative charge…. Like charges repel, opposites attract) giving rise to an electric current. 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 15

16. Current The flow of electric charge When the faucet (switch) is off, is there any flow (current)? NO When the faucet (switch) is on, is there any flow (current)? YES Tank (Battery) Faucet (Switch) Pipe (Wiring) - measured in AMPERES (A) 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 16

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18. Charge, Current & Time Electric current is given the symbol I Electric current is the movement of negative charges (electrons) in a circuit 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 18

19.                   Charge, Current & Time If current is charge flowing per second then time in seconds (s) Current in Amps (A) Charge transferred in coulombs (C) A current of 1 A mean 1 C of charge transferred in 1 s. 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 19

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22. Voltage Current Current is measured in AMPERES (AMPS, A). Current Andre-Marie Ampere (1775-1836)  11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 22

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24. Electrical Charge Q measured in Coulombs which is given the symbol C 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 24

25. One Amp of current is one Coulomb per second       1A = 1C/ Sec 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 25

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28. Potential Difference (PD) 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 28

29. VOLTAGE/Potential Difference (PD) It   is an energy source generated by Battery or Generator. It is the potential difference between the two terminals of a battery or cell, which moves one joule of energy per coulomb Charge. 1 V = J/C or in Volts Where: V = Voltage in Volts J = Energy in Joules C = Charge in Columb Count Alessandro Volta (1745-1827) 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 29

30. T he rate at which work is done upon an object. Power = Work / time in energy per second or Joules per Second P = dW /dt = 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 30

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32. ELECTRICAL CIRCUIT ELEMENTS 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 32

33. RESISTORS Resistor and Resistance? A resistor is an electronic component with a fixed electrical resistance Resistance is the property of the material, which opposes how much the flow of electricity through it. 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 33

34. The symbol for the resistor is shown in Fig. According to Ohm's law, where ‘G’ is the conductance of a conductor. The unit of conductance is mho (℧). 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 34

35. How strongly the material opposes the flow of current. Conductors -have low resistivity. Insulators have high resistivity, ρ is the resistivity of the material in ohm metres , Ω⋅m . 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 35

36. The power absorbed by the resistor is given by, where ‘ i ’ is the current in the resistor in amps, and ‘v’ is the voltage across the resistor in volts. The energy lost in resistance in time‘t ’ is given by where v is the volts, R is in ohms, t is in seconds and W is in joules. 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 36

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40. Where i (o) is initial current in the coil T the current-voltage relation is given by 11-06-2024 R.ANJANEYULU NAIK, ASSOCIATE PROFESSOR,EEE,LBRCE 40