MHT CET 2023 11th May Evening Shift | Alternating Current Question 22 | Physics

In a series LCR circuit, $$\mathrm{C}=2 \mu \mathrm{F}, \mathrm{L}=1 \mathrm{mH}$$ and $$\mathrm{R}=10 \Omega$$. The ratio of the energies stored in the inductor and the capacitor, when the maximum current flows in the circuit, is

$$5: 1$$

$$3: 2$$

$$1: 2$$

$$1: 5$$

MHT CET 2023 11th May Evening Shift

MCQ (Single Correct Answer)

-0

The a.c. source of e.m.f. with instantaneous value '$$e$$' is given by $$e=200 \sin (50 t)$$ volt. The r.m.s. value of current in a circuit of resistance $$50 \Omega$$ is

0.2828 A

2.828 A

28.28 A

282.8 A

MHT CET 2023 11th May Morning Shift

MCQ (Single Correct Answer)

-0

With the gradual increase in frequency of an a. c. source, the impedance of an LCR series circuit

first decreases, becomes minimum and then increases.

increases.

decreases.

remains constant.

MHT CET 2023 11th May Morning Shift

MCQ (Single Correct Answer)

-0

In series LCR circuit, the voltage across the inductance and the capacitance are not

out of phase with the voltage across the resistance by $$90^{\circ}$$.

equal in magnitude at resonance.

out of phase with each other by $$180^{\circ}$$.

in phase with the source voltage.

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