Suppose a temperature transmitter has an...

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Question 1 of 205eccefa5bacbc34ba4d487ae

Suppose a temperature transmitter has an input range from 0 to 100 degrees Celsius and an output range of 4 to 20 milliamps. Assuming that the transmitter has a linear response pattern, what is the output current in milliamps if the input temperature is 40 degrees Celsius?

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🔍 Key Concepts

• Linear scaling between input (0–100 °C) and output (4–20 mA) • How to find the change in current per degree Celsius • Using a simple proportion (ratio) to go from temperature to current

💭 Think About

• What is the total temperature span, and what is the total current span? • If you know how many milliamps correspond to 1 °C, how many milliamps correspond to 40 °C above the minimum? • Don’t forget that at 0 °C the transmitter is already outputting 4 mA—how does that affect your final answer?

✅ Before You Answer

• Compute mA per °C using the full ranges first. • Calculate the current increase above 4 mA for 40 °C, not the total directly from zero. • Double-check that your final current is between 4 and 20 mA and makes sense for 40% of the temperature range.

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