NCERT Class XII Chapter <br>Alternating Current <br> Questions With Solutions

NCERT Class XII Chapter
Alternating Current
Questions With Solutions

Question : 7

Total: 26

A charged 30 μF capacitor is connected to a 27 mH inductor. What is the angular frequency of free oscillations of the circuit?

Solution:

Angular frequency of LC oscillations
ω =

√LC

√27×10−3×30×10−6

ω =

9×10−4

×104 rad/s = 1.1 × 103 rad/s

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