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Draw phasor diagrams showing phase relationship between voltage and current in an a.c. circuit containing (a) a pure inductor only, and (b) a pure capacitor only. Also show graphs of V and I versus time t |
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Answer» Solution :(a) Phasor DIAGRAM for a PURE inductive a.c. circuit has been shown in FIG. 7.15. Here CURRENT I lags behind the voltage V by a phase angle `pi/2`. (b) Phoasor diagram for pure capacitive a.c. circuit has been shown in fig. Here current/leads the voltage V by a phase angle `pi/2`. 
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