If the frequency of the e.m.f. source in the a.c. circuit illustrated above is \(\frac{500}{\pi}\)Hz. What is the reactance of the inductor?
Attached Figure / Diagram
A
450
B
0.9
C
900
D
567
E
43
Verified Correct Answer: C.
Physical Principles & Numerical Solution
x = 2\(\pi f L = 2\pi \times \frac{500}{\pi} \times 0.9\)
= 900\(\Omega\)
Source: Myschool Past Questions Archive (Record #33423)