Coast Guard Exams
Question 156Electricity/Electronics - 1st Asst/Chief70% to pass

A carbon resistor has a resistance of 50 ohms, and a tolerance of 5 percent. What would be the respective colors indicated for bands 1, 2, 3 and 4 for this resistor as shown in figure "A" of the illustration? Illustration EL-0103

Diagram for question 156
AI Explanation
The correct answer is B) green, black, black, and gold. This is correct because the color bands on a resistor follow a standard color coding system that indicates the resistor's resistance value and tolerance. For a 50-ohm resistor with a 5% tolerance: - The first band is green, which represents the first digit of the resistance value (5). - The second band is black, which represents the second digit of the resistance value (0). - The third band is black, which represents the multiplier (x1 or 10^0). - The fourth band is gold, which represents the tolerance of 5%. The other options are incorrect because they do not match the proper color coding for a 50-ohm, 5% tolerance resistor.