I'm stuck on task 5 c), could someone help me?
It is given R=10 Ohm
U=230 V
I=23 A
P=5290 W
Calculate the electrical energy (E in joules)
Does anyone have any idea how I can calculate it?
(1 votes)
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Es gilt E=P×t=U0×I×t
Wenn Du in kWh rechnest sind es einfach 10,58 kWh.
Ansonsten müsstest Du die Zeit in Sekunden umrechnen (1 h= 3600 s) um Joule, bzw. kJ zu erhalten.
Die Leistung ist bereits gegeben. P=U*I
Um daraus eine Energie zu berechnen, fehlt noch eine Angabe: Die Zeitdauer.
Ich hab gerade noch ein Foto hinzugefügt könntest du vlt schauen ob ich irrgend was vergessen habe ?
Aja …
nun mit einer Zeitangabe
t = 2Stunden = 7200s
E = P * t
Achsoo stimmt die Zeit ist angegeben sry dankee
Dankeschön