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Question: If an \(8\Omega\) resistance and \(6\Omega\) reactance are present in an ac series circuit then the ...

If an 8Ω8\Omega resistance and 6Ω6\Omega reactance are present in an ac series circuit then the impedance of the circuit will be

A

20 ohm

B

5 ohm

C

10 ohm

D

14214\sqrt{2} ohm

Answer

10 ohm

Explanation

Solution

Impedance

Z=R2+X2=(8)2+(6)2=10ΩZ = \sqrt{R^{2} + X^{2}} = \sqrt{(8)^{2} + (6)^{2}} = 10\Omega