MHT CET 2022 11th August Evening Shift | Alternating Current Question 93 | Physics

A capacitor of capacitance $$50 \mu \mathrm{F}$$ is connected to a.c. source $$\mathrm{e}=220 \sin 50 \mathrm{t}$$ ($$\mathrm{e}$$ in volt, $$\mathrm{t}$$ in second). The value of peak current is

$$\frac{0.55}{\sqrt{2}} \mathrm{~A}$$

$$\frac{\sqrt{2}}{0.55} \mathrm{~A}$$

$$0.55 \mathrm{~A}$$

$$\sqrt{2} \mathrm{~A}$$

MHT CET 2022 11th August Evening Shift

MCQ (Single Correct Answer)

-0

The resistance offered by an inductor $$\left(X_L\right)$$ in an a.c. circuit is

inversely proportional to inductance and frequency of the alternating current

inversely proportional to frequency of alternating current and directly proportional to inductance

inversely proportional to inductance and directly proportional to the frequency of alternating current

directly proportional to inductance and frequency of alternating current

MHT CET 2022 11th August Evening Shift

MCQ (Single Correct Answer)

-0

A coil having an inductance of $$\frac{1}{\pi} \mathrm{H}$$ is connected in series with a resistance of $$300 \Omega$$. If A.C. Source $$(20 \mathrm{~V}-200 \mathrm{~Hz})$$ is connected across the combination, the phase angle between voltage and current is

$$\tan ^{-1}\left(\frac{3}{4}\right)$$

$$\tan ^{-1}\left(\frac{4}{3}\right)$$

$$\tan ^{-1}\left(\frac{5}{4}\right)$$

$$\tan ^{-1}\left(\frac{4}{5}\right)$$

MHT CET 2022 11th August Evening Shift

MCQ (Single Correct Answer)

-0

In a full wave rectifier circuit without filter, the output current is

an eddy current

a constant direct current

a sinusoidal current

unidirectional but not steady current

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