Question

At what frequency (approximate) will the inductive reactance of 4 H inductance be equal to the capacitive reactance of 4 µF capacitance?

पर्याय

• 80 Hz

• 40 Hz

• 60 Hz

• 20 Hz

Answer 1

40 Hz

Explanation:

`"f" = 1/(2pi sqrt"LC")`

`"f" = (1)/(2pi sqrt(4 xx 4 xx 10^-6)) approx 40  "Hz"`