1. www.kashifpaf.greatnow.com Kashif Bashir1 mailto: Kashif@pafkiet.edu.pkKashif@pafkiet.edu.pk Web: kashifpaf.greatnow.comkashifpaf.greatnow.com Parallel Circuit

2. www.kashifpaf.greatnow.com Kashif Bashir2 Topic to be covered  The applied voltage V A is the same across parallel branches  Each branch I equals V A /R  The main line I T equal the sum of the branch current  Resistance in parallel  Conductance in parallel  Total power in parallel circuits  Analyzing parallel circuits

3. www.kashifpaf.greatnow.com Kashif Bashir3  Effect of an open circuit in a parallel path  Effect of an short circuit across parallel branches  Parallel circuit for the OR Logic Function. Continue Topic to be covered

4. www.kashifpaf.greatnow.com Kashif Bashir4 The applied voltage V A is the same across parallel branches

5. www.kashifpaf.greatnow.com Kashif Bashir5 The applied voltage V A is the same across parallel branches

6. www.kashifpaf.greatnow.com Kashif Bashir6 Each branch I equals V A /R

7. www.kashifpaf.greatnow.com Kashif Bashir7 The main line I T equal the sum of the branch current

8. www.kashifpaf.greatnow.com Kashif Bashir8 Resistance in parallel

9. www.kashifpaf.greatnow.com Kashif Bashir9 Why R eq is less then any branch R

10. www.kashifpaf.greatnow.com Kashif Bashir10 Reciprocal Resistance Formula We can derive this formula from the fact that I T is the sum os all the branch currents or. I T = I 1 + I 2 + I 3 + …… etc

11. www.kashifpaf.greatnow.com Kashif Bashir11 Reciprocal Resistance Formula

12. www.kashifpaf.greatnow.com Kashif Bashir12 Conductance in parallel G is equal to 1/R. G T = G 1 + G 2 + G 3 + …….. etc

13. www.kashifpaf.greatnow.com Kashif Bashir13 Total power in parallel circuits

14. www.kashifpaf.greatnow.com Kashif Bashir14 Effect of an open circuit in a parallel path

15. www.kashifpaf.greatnow.com Kashif Bashir15 Effect of an short circuit across parallel branches

16. www.kashifpaf.greatnow.com Kashif Bashir16 Parallel circuit for the OR Logic Function.