An inductor of inductance 1.0H is connected in series with a capacitor of capacitance 2.0\(\mu F\) in an a.c. circuit. to resonate

A.

112.5Hz

B.

225.0Hz

C.

323.5Hz

D.

707.1Hz

View answer & explanation

Correct answer is A

fo = \(\frac{1}{2 \pi \sqrt{LC}} = \frac{1}{2 \times 3.14 \sqrt{1 \times 2 \times 10^{-6}}}\)

= 112.5Hz

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