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Question
In a series A.C. circuit, R = 200 `Omega`, XL= 400 `Omega` and XC= 200 `Omega`. The phase difference between the applied e.m.f. and the current will be ____________.
Options
0
37°
45°
90°
MCQ
Fill in the Blanks
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Solution
In a series A.C. circuit, R = 200 `Omega`, XL= 400 `Omega` and XC= 200 `Omega`. The phase difference between the applied e.m.f. and the current will be 45°.
Explanation:
`"tan" phi = ("X"_"L" - "X"_"C")/"R"`
`= (400 - 200)/200`
`= 200/200`
`therefore "tan" phi = 1 Rightarrow phi = 45° `
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Types of AC Circuits
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