A thermocouple thermometer is connected to a millivoltmeter which can read up to 10mV. When one junction is in ice at 0°C and the other is steam at 100°C, the millivoltmeter reads 4mV. What is the maximum temperature which this arrangement can measure
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Correct Answer: Option C
Explanation:
t\(_\theta\) - t\(_o\) = 10,
t\(_{100}\) - t\(_o\) = 4
θ
=
t\(_\theta\) - t\(_o\)
t\(_{100}\) - t\(_o\)
×
100
Â
10
4
×
100
=
250°C
t\(_\theta\) - t\(_o\) = 10,
t\(_{100}\) - t\(_o\) = 4
θ
=
t\(_\theta\) - t\(_o\)
t\(_{100}\) - t\(_o\)
×
100
Â
10
4
×
100
=
250°C