A series `AC` circuit has a resistance of `4 Omega` and a reactance of `3 Omega`. The impedance of the circuit is
A series `AC` circuit has a resistance of `4 Omega` and a reactance of `3 Omega`. The impedance of the circuit is
A. `5 Omega`
B. `7 Omega`
C. `12//7 Omega`
D. `7//12 Omega`
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