A 15 mu F capacitor is connected to a 240V 50Hz... - WAEC Physics 2014 Question
A 15 (\mu F) capacitor is connected to a 240V, 50Hz ac. source. Calculate the reactance of the capacitance [(\pi = 3.142)]
A
16\(\Omega\)
B
68\(\Omega\)
C
106\(\Omega\)
D
212\(\Omega\)
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Correct Option: D
(X_c = \frac{1}{2 \pi fc})
= 2 x 3.142 x 50 x 15 x 10-6
= 212.179(\Omega)
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