Page 87 - LAPLACE TRANSFORM
P. 87

VR (t) =   (  ) x R

                                = (0.471 )    (100)


                                = 47.10 Volts



                        When t = 0.3 seconds;

                                 t
                               1
                       VC (t) =  ∫   (  )dt
                               C 0
                                            
                                    t
                                        
                                         −   
                                 =   1  ∫ (        ) dt
                               50m 0                    1          1
                                                                1
                                                           
                                                                      
                                                      ∫        dx =  1         + C
                                            
                                         −                        
                                      
                                1
                                              
                                 =    { } {  −    }       1          −1
                               50m                      −        1       
                                                             dx =  −1         + C
                                                      ∫   
                                                                   
                                            
                                   −  
                                        −   
                                 = 20  { }       
                                      

                                            
                                   −    − (  .  )
                                 = 20  { }       
                                      
                                 = (20) (−2.5) (0.942)
                                 = −47.09 Volts

























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