semn de carte curent alternativ

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Portrete de savani

Portrete de savani

Portrete de savani

Portrete de savani

Portrete de savani

Portrete de savani

Michael Faraday (1791-1867)

Michael Faraday (1791-1867)

Michael Faraday (1791-1867)

Michael Faraday (1791-1867)

Michael Faraday (1791-1867)

Michael Faraday (1791-1867)

Thomas Alva Edison (1847-1931)

Thomas Alva Edison (1847-1931)

Thomas Alva Edison (1847-1931)

Thomas Alva Edison (1847-1931)

Thomas Alva Edison (1847-1931)

Thomas Alva Edison (1847-1931)

Nicola Tesla (1856-1943)http://oscilatii.blogspot.com

Nicola Tesla (1856-1943)http://oscilatii.blogspot.com

Nicola Tesla (1856-1943)http://oscilatii.blogspot.com

Nicola Tesla (1856-1943)http://oscilatii.blogspot.com

Nicola Tesla (1856-1943)http://oscilatii.blogspot.com

Nicola Tesla (1856-1943)http://oscilatii.blogspot.com

http://oscilatii.blogspot.com

http://oscilatii.blogspot.com

http://oscilatii.blogspot.com

http://oscilatii.blogspot.com

http://oscilatii.blogspot.com

http://oscilatii.blogspot.com

Curent alternativValori instantanee i = Imax sin (t) u = Umax sin (t + ) Valori maxime Imax = Umax =

Curent alternativValori instantanee i = Imax sin (t) u = Umax sin (t + ) Valori maxime Imax = Umax =

Curent alternativValori instantanee i = Imax sin (t) u = Umax sin (t + ) Valori maxime Imax = Umax =

Curent alternativValori instantanee i = Imax sin (t) u = Umax sin (t + ) Valori maxime Imax = Umax =

Curent alternativValori instantanee i = Imax sin (t) u = Umax sin (t + ) Valori maxime Imax = Umax =

Curent alternativValori instantanee i = Imax sin (t) u = Umax sin (t + ) Valori maxime Imax = Umax =

2 I 2 U

2 I 2 U

2 I 2 U

2 I 2 U

2 I 2 U

2 I 2 U

Frecvena i pulsaia f = 50 Hz = 2 f = 100 1/s Legea lui Ohm

Frecvena i pulsaia f = 50 Hz = 2 f = 100 1/s Legea lui Ohm

Frecvena i pulsaia f = 50 Hz = 2 f = 100 1/s Legea lui Ohm

Frecvena i pulsaia f = 50 Hz = 2 f = 100 1/s Legea lui Ohm

Frecvena i pulsaia f = 50 Hz = 2 f = 100 1/s Legea lui Ohm

Frecvena i pulsaia f = 50 Hz = 2 f = 100 1/s Legea lui Ohm

U Z IRezistena n c.a. Z=R Reactana inductiv a unei bobine de inductan L XL = L Reactana capacitiv a unui condensator de capacitatea C XC = 1 / C Triunghiul puterilor P 2 + P r2 = S 2 unde: S=UI P = U I cos Pr = U I sin

U Z IRezistena n c.a. Z=R Reactana inductiv a unei bobine de inductan L XL = L Reactana capacitiv a unui condensator de capacitatea C XC = 1 / C Triunghiul puterilor P2 + Pr2 = S2 unde: S=UI P = U I cos Pr = U I sin

U Z IRezistena n c.a. Z=R Reactana inductiv a unei bobine de inductan L XL = L Reactana capacitiv a unui condensator de capacitatea C XC = 1 / C Triunghiul puterilor P2 + Pr2 = S2 unde: S=UI P = U I cos Pr = U I sin

U Z IRezistena n c.a. Z=R Reactana inductiv a unei bobine de inductan L XL = L Reactana capacitiv a unui condensator de capacitatea C XC = 1 / C Triunghiul puterilor P2 + Pr2 = S2 unde: S=UI P = U I cos Pr = U I sin

U Z IRezistena n c.a. Z=R Reactana inductiv a unei bobine de inductan L XL = L Reactana capacitiv a unui condensator de capacitatea C XC = 1 / C Triunghiul puterilor P2 + Pr2 = S2 unde: S=UI P = U I cos Pr = U I sin

Z

U I

Rezistena n c.a. Z=R Reactana inductiv a unei bobine de inductan L XL = L Reactana capacitiv a unui condensator de capacitatea C XC = 1 / C Triunghiul puterilor P2 + Pr2 = S2 unde: S=UI P = U I cos Pr = U I sin