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Oxana [17]
3 years ago
10

As the frequency of the ac voltage across a capacitor approaches zero, the capacitive reactance of that capacitor:_______.

Physics
1 answer:
Akimi4 [234]3 years ago
5 0

Answer:

b. approaches infinity

Explanation:

Because Capacitive reactance is given as Xc = 1/ωC

​

So we can see that the value of capacitive reactance and therefore its overall impedance (in Ohms) decreases to zero as the frequency increases acting like a short circuit.

Same as the frequency approaches zero or DC, the capacitors reactance increases to infinity, acting like an open circuit which is why capacitors block DC

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