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In an A.C. circuit the inductive reactan...

In an A.C. circuit the inductive reactance is defined as ......

A

`Z_L=-j omegaL`

B

`Z_L=-j/(omegaL)`

C

`Z_L=-(omegaL)/j`

D

`Z_L=omegaL`

Text Solution

Verified by Experts

The correct Answer is:
C
`Z_L=-(omegaL)/j=(j^2omegaL)/j = j omegaL " " [because -1=j^2]`
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Knowledge Check

  • In an A.C. circuit, the capacitive reactance is defined as ........

    A
    `Z_C=jomegaC`
    B
    `Z_C=-1/(jomegaC)`
    C
    `Z_C=j/(omegaC)`
    D
    `Z_C=1/(jomegaC)`

  • In an A.C circuit the current...

    A
    is in the phase with voltage
    B
    leads the voltage
    C
    lags the voltage
    D
    any of the above depending on the circumstances

  • In an A.C. circuit the ratio of inductive reactance and capacitive reactance is ……

    A
    1
    B
    0
    C
    `omega^2L`
    D
    `omega^2LC`

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