If the frequency of the e.m.f. source in the a.c. circuit illustrated below is \(\frac{500}{\pi}\)Hz....
PHYSICS
WAEC 1991
If the frequency of the e.m.f. source in the a.c. circuit illustrated below is \(\frac{500}{\pi}\)Hz. What is the reactance of the inductor?
- A. 450
- B. 0.9
- C. 900
- D. 567
Correct Answer: C. 900
Explanation
x = 2\(\pi f L = 2\pi \times \frac{500}{\pi} \times 0.9\)
= 900\(\Omega\)
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *