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RC Circuits

Q1:

What is the angular difference between +j4 and –j4?

A 30°

B 90°

C 180°

D 270°

ANS:C - 180°

Here the question is clear cut and the values are given properly. There is no supposition. Therefore for +j4 phase angle is 90 degree and for -j4 phase angle is -90 degree.

So,
The angular difference will be 90-(-90) = 180 degree.



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