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With proper phase diagrams, explain behaviour of a pure capacitor ina AC circuit.
1 Answer
written 3.9 years ago by |
(1) Z=R+(XL−XC)j=−jXC=XC∠−90
(2) I=VZ=V∠0XC∠−90=(VXC)∠0−(−90)I=IC∠90
(3) In a pure capacitive circuit, current leads the voltage by 90∘