Coast Guard Exams
Question 376Electricity/Electronics - Assistant Engineer70% to pass

What would be the total current draw of the circuit as shown in figure "A" of the illustration if the source voltage is 24 volts, the resistance for R1 is 12 ohms, the resistance for R2 is 24 ohms, and the resistance for R3 is 36 ohms? Illustration EL-0032

Diagram for question 376
AI Explanation
The correct answer is D) 1.33 amperes. To calculate the total current draw of the circuit, we can use Ohm's law, which states that the current (I) is equal to the voltage (V) divided by the resistance (R). In this case, the source voltage is 24 volts, and the resistances are R1 = 12 ohms, R2 = 24 ohms, and R3 = 36 ohms. Applying Ohm's law, the total current draw is 24 volts / (12 ohms + 24 ohms + 36 ohms) = 24 volts / 72 ohms = 1.33 amperes. The other options are incorrect because they do not accurately represent the total current draw based on the given information.