Physik

Welchen Widerstand besitzt mein Handyladegerät, bei einer Stärke von 0,3A und einer Spannung von 230V? Der Wiederstand ist: 767Ω.

UNVOLLSTÄNDIG

void setup()
{
  pinMode(13,OUTPUT);
  pinMode(7,INPUT);
}
void loop()
{
  if(digitalRead(7) == HIGH)
  {
    tone(2,262,800);delay(810);
    tone(2,294,800);delay(810);
    tone(2,330,800);delay(810);
    tone(2,349,800);delay(810);
    tone(2,392,1600);delay(1610);
    tone(2,392,1600);delay(1610);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,392,3200);delay(3210);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,392,3200);delay(3210);
    tone(2,349,800);delay(810);
    tone(2,349,800);delay(810);
    tone(2,349,800);delay(810);
    tone(2,349,800);delay(810);
    tone(2,330,1600);delay(1610);
    tone(2,330,1600);delay(1610);
    tone(2,294,800);delay(810);
    tone(2,294,800);delay(810);
    tone(2,294,800);delay(810);
    tone(2,294,800);delay(810);
    tone(2,262,3200);delay(3210);
    }
  else
  {
    tone(2,344,1000);delay(1100);
  }
}