**Multiple Choice Question of AC Circuit (Alternate Current) 12th Physics for Mhtcet examination 2022**.The pdf given below includes only multiple choice questions based on given syllabus for mhtcet 2021 examination. These mcqs are collected from past year papers of Mhtcet, Neet, Jee and other entrance exam.

#### Ac Circuit Subtopics Mhtcet

Phasors 1

Different types of AC circuits 20211

Power in AC circuit

LC Oscillations

Electric Resonance

Sharpness of Resonance: Q-factor

Choke coil

#### Notes for AC Circuit :

If power factor is loss Is rising, the is in the form also smaller. u inductor and capacitor when current is of magnetic potential energy. la 1.C.R. series 4.C. circuit, the phase angle between potential difference across L and potential difference across C is rad. Average value of sin' on over complete cycle is Power factor of purely resistive circuit is unity. At resonance frequency, current is not exactly zero because the inductor has finite resistance. Pure capacitor does not allow direct current and pure inductance have no effect on direct current. For series LCR circuit, the condition for the maximum current is called resonance. In parallel resonance, there is no current at resonance. 10, Series resonant circuit is called acceptor circuit as its impedance is minimum at resonance and current is very large. That is, it readily accepts the current. " Parallel resonant circuit is called rejector circuit as its impedance is maximum and current is minimum at resonance. It rejects the current. This is also called as tank circuit as the energy oscillates between the inductance and capacitance.

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