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| − | Welchen Widerstand besitzt mein Handyladegerät, bei einer Stärke von 0,3A und einer Spannung von 230V? Der Wiederstand ist:
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| − | 767Ω.
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| − |
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| − | UNVOLLSTÄNDIG
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| − | <pre>
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| − | void setup()
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| − | {
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| − | pinMode(13,OUTPUT);
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| − | pinMode(7,INPUT);
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| − | }
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| − | void loop()
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| − | {
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| − | if(digitalRead(7) == HIGH)
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| − | {
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| − | tone(2,262,800);delay(810);
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| − | tone(2,294,800);delay(810);
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| − | tone(2,330,800);delay(810);
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| − | tone(2,349,800);delay(810);
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| − | tone(2,392,1600);delay(1610);
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| − | tone(2,392,1600);delay(1610);
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| − | tone(2,440,800);delay(810);
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| − | tone(2,440,800);delay(810);
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| − | tone(2,440,800);delay(810);
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| − | tone(2,440,800);delay(810);
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| − | tone(2,392,3200);delay(3210);
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| − | tone(2,440,800);delay(810);
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| − | tone(2,440,800);delay(810);
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| − | tone(2,440,800);delay(810);
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| − | tone(2,440,800);delay(810);
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| − | tone(2,392,3200);delay(3210);
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| − | tone(2,349,800);delay(810);
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| − | tone(2,349,800);delay(810);
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| − | tone(2,349,800);delay(810);
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| − | tone(2,349,800);delay(810);
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| − | tone(2,330,1600);delay(1610);
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| − | tone(2,330,1600);delay(1610);
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| − | tone(2,294,800);delay(810);
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| − | tone(2,294,800);delay(810);
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| − | tone(2,294,800);delay(810);
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| − | tone(2,294,800);delay(810);
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| − | tone(2,262,3200);delay(3210);
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| − | }
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| − | else
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| − | {
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| − | tone(2,344,1000);delay(1100);
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| − | }
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| − | }
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