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Question
In an LCR circuit, inductive reactance is 30 `Omega` and capacitive reactance 30 `Omega`. The resistance was found to be 40 `Omega`. The probable impedance of the combination is ____________.
Options
40 `Omega`
60 `Omega`
100 `Omega`
20 `Omega`
MCQ
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Solution
In an LCR circuit, inductive reactance is 30 `Omega` and capacitive reactance 30 `Omega`. The resistance was found to be 40 `Omega`. The probable impedance of the combination is 40 `Omega`.
Explanation:
`"X"_"L" = 30 Omega "X"_"C" = 30 Omega`
`"R" = 40 Omega "Z" = sqrt (40^2 + 0) = 40 Omega`
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Types of AC Circuits
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