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Q. No.A \(10~\mu\text F\) capacitor is connected to a \(210~\text V,50~\text{Hz}\) source as shown in the figure. The peak current in the circuit is nearly \((\pi = 3.14)\):
| 1. | \(0.93~\text A\) | 2. | \(1.20~\text A\) |
| 3. | \(0.35~\text A\) | 4. | \(0.58~\text A\) |
Subtopic: RMS & Average Values |
56%
Level 3: 35%-60%
NEET - 2024
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A \(40~\mu\text F\) capacitor is connected to a \(200~\text V,\) \(50~\text{Hz}\) AC supply. The RMS value of the current in the circuit is, nearly:
| 1. | \(2.05~\text A\) | 2. | \(2.5~\text A\) |
| 3. | \(25.1~\text A\) | 4. | \(1.7~\text A\) |
Subtopic: RMS & Average Values |
71%
Level 2: 60%+
NEET - 2020
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To an AC power supply of \(220~\text V\) at \(50~\text{Hz},\) a resistor of \(20~\Omega,\) a capacitor of reactance \(25~\Omega\) and an inductor of reactance \(45~\Omega\) are connected in series. The corresponding current in the circuit and the phase angle between the current and the voltage is, respectively:
| 1. | \(15.6~\text {A and} ~30^\circ\) | 2. | \(15.6~\text {A and} ~45^\circ\) |
| 3. | \(7.8~\text {A and} ~30^\circ\) | 4. | \(7.8~\text {A and} ~45^\circ\) |
Subtopic: Different Types of AC Circuits |
50%
Level 3: 35%-60%
NEET - 2025
Please attempt this question first.
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Please attempt this question first.
In the circuit shown below, the inductance \(L\) is connected to a source. The current flowing in the circuit is \({I=I_{0}\sin\omega t.}\) The voltage drop \((V_L)\) across \(L\) is:
| 1. | \(\omega L~I_0\sin\omega t\) | 2. | \(\frac{{I}_0}{\omega{L}}\sin\omega t\) |
| 3. | \(\frac{{I}_0}{\omega{L}}\cos\omega t\) | 4. | \(\omega L~I_0\cos\omega t\) |
Subtopic: Different Types of AC Circuits |
50%
Level 3: 35%-60%
NEET - 2024
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For very high frequencies, the effective impedance of the circuit (shown in the figure) will be:
| 1. | \(4~ \Omega\) | 2. | \(6~ \Omega\) |
| 3. | \(1~ \Omega\) | 4. | \(3~ \Omega\) |
Subtopic: Different Types of AC Circuits |
55%
Level 3: 35%-60%
NEET - 2023
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If \(Z_1\) and \(Z_2\) are the impedances of the given circuits \(\mathrm{(a)}\) and \(\mathrm{(b)}\) as shown in the figures, then choose the correct option:
| 1. | \(Z_1<Z_2\) | 2. | \(Z_1+Z_2=20~\Omega\) |
| 3. | \(Z_1=Z_2\) | 4. | \(Z_1>Z_2\) |
Subtopic: Different Types of AC Circuits |
67%
Level 2: 60%+
NEET - 2023
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An AC source is connected to the given circuit. The value of \(\phi\) will be:
| 1. | \(60^\circ\) | 2. | \(90^\circ\) |
| 3. | \(30^\circ\) | 4. | \(45^\circ\) |
Subtopic: Different Types of AC Circuits |
69%
Level 2: 60%+
NEET - 2023
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In a series \({LCR}\) circuit, the inductance \({L}\) is \(10~\text{mH}\), capacitance \({C}\) is \(1~\mu\text{F}\) and resistance \({R}\) is \(100~\Omega\). The frequency at which resonance occurs is:
| 1. | \(1.59~\text{kHz}\) | 2. | \(15.9~\text{rad/s}\) |
| 3. | \(15.9~\text{kHz}\) | 4. | \(1.59~\text{rad/s}\) |
Subtopic: Different Types of AC Circuits |
67%
Level 2: 60%+
NEET - 2023
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Given below are two statements:
| Statement I: | In an AC circuit, the current through a capacitor leads the voltage across it. |
| Statement II: | In AC circuits containing pure capacitance only, the phase difference between the current and the voltage is \(\pi.\) |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Statement I is correct but Statement II is incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: Different Types of AC Circuits |
72%
Level 2: 60%+
NEET - 2022
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A light bulb and an inductor coil are connected to an AC source through a key as shown in the figure below. The key is closed and after some time an iron rod is inserted into the interior of the inductor. The glow of the light bulb:
| 1. | decreases | 2. | remains unchanged |
| 3. | will fluctuate | 4. | increases |
Subtopic: Different Types of AC Circuits |
64%
Level 2: 60%+
NEET - 2020
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