The complex number 6 + j6 is equivalent to
A. 6 ∠45°
B. 36 ∠45°
C. 8.48 ∠45°
D. 8.48 ∠90°
Answer: Option C
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Related Questions on RC Circuits
When the frequency of the source voltage decreases, the impedance of a parallel RC circuit
A. Increases
B. Decreases
C. Does not change
D. Decreases to zero
(x=a+jb
|x|=sqrt(a^2 + b^2)
By solving |x| = 8.48
To find angle:
angle(a) = tan-1 (b/a)
By solving, angle(a)=45
***If R and Xc are equal then the angle always 45 in RC circuit.***