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1. |
A resistance, an inductance and a capacitance are connected in series. The values of R, XL and XC are 20 Ω, 30 Ω and 10 Ω respectively. The net reactance of the circuit is: |
A. | 20 Ω |
B. | 10 Ω |
C. | 78.28 Ω |
D. | zero |
Answer» B. 10 Ω | |