Coast Guard Exams
Question 27Electricity/Electronics - 1st Asst/Chief70% to pass

What would be the total current in figure "A" of the circuit illustrated if the value of capacitor C1 was 100 microfarads, capacitor C2 was 200 microfarads and the power supply was 240 volts at 60 Hz? Illustration EL-0038

Diagram for question 27
AI Explanation
The correct answer is A) 27 amps. To calculate the total current in figure "A" of the circuit, we need to use the formula for the current in a capacitive circuit: I = 2πfCV, where I is the current, f is the frequency, C is the capacitance, and V is the voltage. Given: - Capacitor C1 = 100 microfarads - Capacitor C2 = 200 microfarads - Power supply = 240 volts at 60 Hz Plugging these values into the formula, we get: I = 2π × 60 Hz × (100 μF + 200 μF) × 240 V = 27 amps The other answer choices are incorrect because they do not match the calculated value of 27 amps.