As the frequency of the ac voltage across a capacitor approaches zero, the capacitive reactance of that capacitor:. A) approaches zero.
B) approaches infinity.
C) approaches unity.
D) none of the given answers

B) approaches infinity

Explanation:

The capacitive reactance of an AC capacitor is given by;

Where;

C is the capacitance

f is the frequency of the ac voltage

Therefore, as the frequency of the ac voltage across a capacitor approaches zero, the capacitive reactance of that capacitor approaches infinity.

The correct option is (B) approaches infinity

current flows in a wire

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