Question
A \( 21^{\circ} \mathrm{F} \) temperature rise (above its rating) can reduce the life of a ballast by - Select one: a. \( 50 \% \) b. \( 25 \% \) c. \( 75 \% \) d. \( 1 / 2 \% \)
Ask by Vega Estrada. in the United States
Jan 26,2025
Real Tutor Solution
Tutor-Verified Answer
Answer
A \( 21^{\circ} \mathrm{F} \) temperature rise reduces the life of a ballast by **50 %**.
**Answer:**
a. \( 50\% \)
Solution
The lifespan of electronic components, including ballasts, is significantly affected by temperature. A commonly used rule of thumb in electronics is that for every **10°C (approximately 18°F)** increase in operating temperature, the lifespan of the component **doubles in degradation**.
In this case, a temperature rise of **21°F** is slightly above the 18°F benchmark, which aligns closely with the 10°C guideline. According to this rule:
- **A 10°C (18°F) increase** in temperature typically **reduces the lifespan by about 50%**.
Given that **21°F** is just above this threshold, the reduction in lifespan would still be approximately:
**a. 50 %**
**Answer:**
**a. 50 %**
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Simplify this solution Extra Insights
A \( 21^{\circ} \mathrm{F} \) temperature rise can potentially reduce the life of a ballast by a staggering \( 50\% \). This means if you’re pushing your ballast beyond its rated limits, be prepared for a significant drop in its lifespan—like going from a long-range battery to a short sprint! When it comes to real-world application, understanding how temperature affects ballast performance can save both time and money. Keeping your equipment cool not only ensures a longer lifespan but also improves efficiency, helping to avoid untimely failures and costly replacements. Remember, your ballast's best friend is a well-ventilated environment!
