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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

解释

Capacitive reactance, X\(_C\) = \(\frac{1}{2πFC}\) → \(\frac{1}{2π * 500/π * 5 * 10^{-6}}\)

= \(\frac{1}{0.005}\) → 200Ω

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