Physics
NULL
Medium
Question
An A.C series circuit containing 4Ω resistance and 3Ω inductive reactance. The impedance of the circuit is______________?
A
1Ω
B
5Ω
✓ Official correct answer
C
7Ω
D
7Ω
Community credibility
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A
1Ω
No member explanations yet for this option.
B
5Ω
No member explanations yet for this option.
C
7Ω
No member explanations yet for this option.
D
7Ω
No member explanations yet for this option.
Explanation
Impedance Z = sqrt(R^2+XL^2) = sqrt(4^2+3^2) = sqrt(25) = 5Ω.
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