1.

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

Answer»

`Z_C=jomegaC`
`Z_C=-1/(jomegaC)`
`Z_C=j/(omegaC)`
`Z_C=1/(jomegaC)`

SOLUTION :`Z_C=-j/(omegaC)`
`THEREFORE Z_C=(-j^2)/(jomegaC)` [ `because` MULTIPLY and divide by j]
`therefore Z_C=(-1(-1))/(jomegaC)=1/(jomegaC)`


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