The value of the quality factor is:
1. $\frac{\omega L}{R}$

2. $\frac{\omega }{RC}$

3. $\sqrt{LC}$

4. L/R

Subtopic:  Different Types of AC Circuits |
79%
From NCERT
AIPMT - 2000
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A capacitor of capacity C has reactance X. If capacitance and frequency are doubled, then the reactance will be:

1.  4X

2.  $\frac{X}{2}$

3.  $\frac{X}{4}$

4.  2X

Subtopic:  Different Types of AC Circuits |
81%
From NCERT
AIPMT - 2001
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A coil of $$40$$ H inductance is connected in series with a resistance of $$8~\Omega$$ and the combination is joined to the terminals of a $$2~\text{V}$$ battery. The time constant of the circuit is:
1. $$1/5~\text{s}$$
2. $$40~\text{s}$$
3. $$20~\text{s}$$
4. $$5~\text{s}$$

Subtopic:  Different Types of AC Circuits |
68%
From NCERT
AIPMT - 2004
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In a circuit $$L$$, $$C$$, and $$R$$ are connected in series with an alternating voltage source of frequency $$f$$. The current leads the voltage by $$45^\circ$$. The value of $$C$$ is:
1. $$\frac{1}{2 \pi f(2 \pi f L-R)}$$
2. $$\frac{1}{2\pi f(2 \pi f L+R)}$$
3. $$\frac{1}{ \pi f(2 \pi f L-R)}$$
4. $$\frac{1}{\pi f(2 \pi f L+R)}$$

Subtopic:  Different Types of AC Circuits |
59%
From NCERT
AIPMT - 2005
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh