AP EAPCET 2024 - 19th May Evening Shift | Alternating Current Question 6 | Physics

A series $L-C-R$ circuit is shown in the figure. Where the inductance of 10 H , capacitance $40 \mu \mathrm{~F}$ and resistance $60 \Omega$ are connected to a variable frequency 240 V source. The current at resonating frequency is AP EAPCET 2024 - 19th May Evening Shift Physics - Alternating Current Question 7 English

AP EAPCET 2024 - 19th May Evening Shift Physics - Alternating Current Question 7 English

4 A

$2 A$

5.4 A

5.8 A

AP EAPCET 2024 - 18th May Morning Shift

MCQ (Single Correct Answer)

-0

In the figure. If $A$ and $B$ are identical bulbs, which bulb glows brighter.

AP EAPCET 2024 - 18th May Morning Shift Physics - Alternating Current Question 6 English

Both with equal brightness

Both do not glow

AP EAPCET 2022 - 5th July Morning Shift

MCQ (Single Correct Answer)

-0

An $$R-L-C$$ circuit consists of a $$150 \Omega$$ resistor, $$20 \mu \mathrm{F}$$ capacitor and a 500 mH inductor connected in series with a 100 V AC supply. The angular frequency of the supply voltage is $$400 \mathrm{rad} \mathrm{s}^{-1}$$. The phase angle between current and the applied voltage is

$$\tan ^{-1}(0.8)$$

$$\tan ^{-1}(0.25)$$

$$\tan ^{-1}(0.6)$$

$$\tan ^{-1}(0.5)$$

AP EAPCET 2022 - 4th July Evening Shift

MCQ (Single Correct Answer)

-0

Capacitive reactance of a capacitor in an AC circuit is $$3 \mathrm{k} \Omega$$. If this capacitor is connected to a new AC source of double frequency, the capacitive reactance will become.

$$1.5 \mathrm{k} \Omega$$

$$3 \mathrm{k} \Omega$$

$$6 \mathrm{k} \Omega$$

$$5.2 \mathrm{k} \Omega$$

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