A 15μF capacitor is connected to a 240V, 50Hz ac. source. Calculate the reactance of the capacitance [π=3.142]

by | Jan 26 | Physics WAEC | 0 comments

A. 16Ω
B. 68Ω
C. 106Ω
D. 212Ω

Correct Answer: Option D

D. 212Ω

Explanation

Xc=1/2πFc

= 2 x 3.142 x 50 x 15 x 10-6

= 212.179Ω

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