Electrical Engineering - RC Circuits

Exercise :: RC Circuits - General Questions

26. 

A capacitor with 150 of capacitive reactance is across an ac source. The impedance, expressed in polar form, is

A. Z = 150
B. Z = 15090°
C. Z = 150 –90°
D. Z = 150180°

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

27. 

When the frequency of the voltage applied to a series RC circuit is decreased, the impedance

A. increases
B. decreases
C. remains the same
D. doubles

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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