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1. |
A capacitor with 150 Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is%! |
A. | Z = 150 |
B. | Z = 150 ‚Äö√ ‚Ä 90¬¨‚àûO |
C. | Z = 150 ‚Äö√ ‚Ä -90¬¨‚àûO |
D. | Z = 150 ‚Äö√ ‚Ä 180¬¨‚àûO |
Answer» D. Z = 150 ‚Äö√ ‚Ä 180¬¨‚àûO | |