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Question

What is the phase difference between I and E if E=E0sin(ωt) and I=I0cos(ωt+π3)?

A
π3
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B
π6
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C
π2
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D
5π6
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Solution

The correct option is D 5π6
E=E0sinωt
I=I0cos(ωt+π3)=I0cos(π2+ωt+π3)

Representing E and I in a phasor diagram


From the diagram, phase difference between E and I is 5π6

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