In a series R – C circuit, the resistance of the resistor is 4 Ω and capacitive reactance is 3 Ω. Calculate the impedance of the circuit
- 1Ω
- 4Ω
-
5Ω
- 7Ω
- 12Ω
The correct answer is: C
Explanation
Z = √R2 + x2
Z = √42 + 32
= 5Ω