A Carbon Resistor Has a Resistance Of $18 \Omega$ At a Temperature Of

question 20

Multiple Choice

A carbon resistor has a resistance of $18 \Omega$ at a temperature of $20 ^ { \circ } \mathrm { C }$ . What is its resistance at a temperature of $120 ^ { \circ } \mathrm { C }$ ? The temperature coefficient of resistivity for carbon is $- 5.0 \times 10 ^ { - 4 } / \mathrm { C } ^ { \circ }$ .

• A) \(16 \Omega\)
• B) \(15 \Omega\)
• C) \(18 \Omega\)
• D) \(17 \Omega\)

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