Question on: WAEC Physics - 1991
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?
A
450
B
0.9
C
900
D
567
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Correct Option: C
x = 2\(\pi f L = 2\pi \times \frac{500}{\pi} \times 0.9\)
= 900\(\Omega\)
= 900\(\Omega\)
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