An electrodynamic wattmeter can be converted into an instrument for measuring reactive power by which of the following methods?
A. Installing a capacitor in series with the input
B. Shunting the meter movement with a 0. 1 ufd capacitor
C. Replacing the resistor which is normally in series with the voltage coil with a large inductance
D. Shunting the input terminals with an LC network adjusted to the resonant frequency of the signal being measured
Show Answer
Answer: C
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