WAEC - Physics (2021 - No. 22)
The diagram above is an illustration of an a.c. circuit.Calculate the reactance of the capacitor.
2016Ω
2000Ω
200Ω
4000Ω
Giải thích
Capacitive reactance, X\(_C\) = \(\frac{1}{2πFC}\) → \(\frac{1}{2π * 500/π * 5 * 10^{-6}}\)
= \(\frac{1}{0.005}\) → 200Ω