A carbon resistor has a resistance of 50...

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Question 1 of 2066636eed28f7522a1c51d3b1

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

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🔍 Key Concepts

• Use the standard 4-band resistor color code shown in Illustration EL-0103 (Band 1 = first digit, Band 2 = second digit, Band 3 = multiplier, Band 4 = tolerance). • Identify which color corresponds to the digit 5 and which color corresponds to the digit 0, using the table in the figure. • Determine which color band represents 5% tolerance from the tolerance column in the table.

💭 Think About

• How do you write 50 ohms using two significant digits and a power of ten (multiplier) so that it matches the 4-band pattern: first digit, second digit, multiplier? • Once you know the two digits and the multiplier, which colors from the table match each of those numbers? • Looking at the tolerance section of the table, which color is associated with 5 percent, and which answer choices use that color in the 4th band?

✅ Before You Answer

• Make sure Band 1 and Band 2 colors match the digits 5 and 0 in the table, in that order. • Confirm that the Band 3 color gives a multiplier that keeps the value at 50 ohms, not 5 ohms or 500 ohms. • Verify that Band 4’s color corresponds to 5% tolerance as listed in the table.

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