In a normal MI instrument, a non-inductive series resistance is added as a multiplier element. The resultant multiplying factor is a function of frequency. Suggest a method to make... In a normal MI instrument, a non-inductive series resistance is added as a multiplier element. The resultant multiplying factor is a function of frequency. Suggest a method to make this factor independent of frequency. Calculate the value of the component added, if any, in terms of normal MI parameters.

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Understand the Problem

The question is asking for a method to make a multiplying factor independent of frequency in a normal magnetic induction (MI) instrument. It also requests the calculation of the value of a specific component in terms of normal MI parameters.

Answer

Add capacitor: C = L/R² to make factor frequency-independent.

To make the multiplying factor frequency-independent, add a capacitor such that C = L/R², where C is capacitance, L is inductance, and R is resistance.

Answer for screen readers

To make the multiplying factor frequency-independent, add a capacitor such that C = L/R², where C is capacitance, L is inductance, and R is resistance.

More Information

Adding a capacitor in parallel can cancel out the frequency effect due to inductance, making the resistance effectively non-reactive.

Tips

Ensure the values of inductance and resistance are accurate to calculate the correct capacitance.

Sources

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