Correct Answer - Option 2 :
10 + j17.33
Concept:
Conversion from polar to rectangular,
Rectangular form: a + jb
Polar form: \(\sqrt {{a^2} + {b^2}} \angle {\tan ^{ - 1}}\left( {\frac{b}{a}} \right)\)
Conversion from rectangular to polar,
Polar form: V∠θ
Rectangular form: V cos θ + j V sin θ
Calculation:
The polar form of a vector is 20∠60°
In rectangular form it is equal to
= 20 cos 60 + j 20 sin 60
= 10 + j 17.33