1

KCET 2023

MCQ (Single Correct Answer)

+1

-0

Total impedance of a series $$L$$-$$C$$-$$R$$ circuit varies with angular frequency of the $$\mathrm{AC}$$ source connected to it as shown in the graph. The quality factor $$Q$$ of the series $$L$$-$$C$$-$$R$$ circuit is

2

KCET 2023

MCQ (Single Correct Answer)

+1

-0

In series $$L C R$$ circuit at resonance, the phase difference between voltage and current is

3

KCET 2023

MCQ (Single Correct Answer)

+1

-0

An ideal transformer has a turns ratio of 10. When the primary is connected to $$220 \mathrm{~V}, 50 \mathrm{~Hz}$$ as source, the power output is

4

KCET 2022

MCQ (Single Correct Answer)

+1

-0

In a series $$L C R$$ circuit, $$R=300 \Omega, L=0.9 \mathrm{H}, C=2.0 \mu \mathrm{F}$$ and $$\omega=1000 \mathrm{~rad} / \mathrm{s}$$, then impedance of the circuit is

Questions Asked from Alternating Current (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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