/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 44 Show that Equation 32.27 for t... [FREE SOLUTION] | 91Ó°ÊÓ

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Show that Equation32.27for the phase angleϕof a seriesRLC circuit gives the correct result for a capacitor-only circuit.

Short Answer

Expert verified

The expression Ï•=tan-1XL-XCRfor phase angle of series RLCcircuit gives correct result for capacitor only circuit.

Step by step solution

01

Given Information

We are given that the Equation 32.27which is Ï•=tan-1XL-XCR.

We need to prove that this equation for phase angle of series RLCcircuit gives correct result for capacitor only circuit.

02

Explanation 

We know equation,

tanϕ=VL-VCVR⇒XL-XCRI

Here gets canceled so equation can be rewritten as :

Ï•=tan-1XL-XCR

We are also given that , XL=XC=0

From here phase angle becomesϕ=tan-10=0rad.

Similarly for ACInductor circuit conditions are

localid="1649931138237" R=XC=0ϕ=tan-1∞=π/2rad

Hence proved that it gives correct result for capacitor only circuit.

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