Calculate the output phase angle for each circuit in Figure 15-35.
Question 15.14: Calculate the output phase angle for each circuit in Figure ...
For the lead circuit in Figure 15-35(a),
\phi = \tan ^{-1}\left(\frac{X_{C}}{R} \right)= \tan ^{-1}\left(\frac{150 \ \Omega }{220 \ \Omega } \right) = 34.3°The output leads the input by 34.3°.
For the lead circuit in Figure 15-35(b), first determine the capacitive reactance.
\phi = \tan ^{-1}\left(\frac{X_{C}}{R} \right)= \tan ^{-1}\left(\frac{1.45 \ k\Omega }{1.0 \ k\Omega } \right) = 55.4°
The output leads the input by 55.4°.
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