A series AC circuit has resistance of 4 ...

A series `AC` circuit has resistance of `4 Omega` and a reactance of `3 Omega`.the impedance of the circuit is

A

`5Omega`

B

`7Omega`

C

`12//7Omega`

D

`7//12Omega`

Verified by Experts

The correct Answer is:

A

`Z=sqrt(4^(2)+3^(2))"=5Omega`

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