A) \[53{}^\circ 9'\]
B) \[63{}^\circ 9'\]
C) \[55{}^\circ 4'\]
D) \[50{}^\circ \]
Correct Answer: C
Solution :
(c) \[55{}^\circ 4'\] \[\tan \,\phi =\frac{{{X}_{L}}-{{X}_{C}}}{R}=\frac{31.4-14}{12}=1.45\] \[\phi ={{\tan }^{-1}}(1.45)=55{}^\circ 4'\]You need to login to perform this action.
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