A Table to Categorize Errors When Re-solving Theory Problems for the Third-Class Electrical Chief Engineer Exam: How to Avoid Repeating the Same Mistakes

Even if you read the explanation and feel like you understand a problem you got wrong on a past Third-Class Electrical Chief Engineer Exam theory paper, you may still fail on a similar problem later.

10 V power supply and 1 kΩ resistor, what is the current flowing through the LED?

IntroductionIn a circuit that lights up an LED, it is standard to connect a resistor in series with the LED. So, if the power supply voltage is 10 V and the resistor is 1 kΩ, how many mA of current ...