# Measurements

### Explanation of question 15

The accuracy of a thermocouple instrument decreases at frequencies above about

1. 1MHz, due to its shunt capacitance
2. 1MHz, due to its inherent inductance
3. 100MHz, due to its shunt capacitance
4. 100MHz, due to its inherent inductance

The answer is :- 1 The accuracy decreases above about 1 MHz due to the shunt capacitance.

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