Select Chapter Topics:
Q. No.An AC source is connected to a capacitor \(C\). Due to decrease in its operating frequency:
| 1. | capacitive reactance remains constant |
| 2. | capacitive reactance decreases. |
| 3. | displacement current increases. |
| 4. | displacement current decreases. |
Subtopic: Different Types of AC Circuits |
51%
Level 3: 35%-60%
NEET - 2023
Hints
A \(12~\text{V},60~\text{W}\) lamp is connected to the secondary of a step-down transformer, whose primary is connected to AC mains of \(220~\text{V}\). Assuming the transformer to be ideal, what is the current in the primary winding?
1. \(0.37~\text{A}\)
2. \(0.27~\text{A}\)
3. \(2.7~\text{A}\)
4. \(3.7~\text{A}\)
1. \(0.37~\text{A}\)
2. \(0.27~\text{A}\)
3. \(2.7~\text{A}\)
4. \(3.7~\text{A}\)
Subtopic: Transformer |
74%
Level 2: 60%+
NEET - 2023
Hints
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
Hints
The net impedance of the circuit (as shown in the figure) will be:
| 1. | \(25~\Omega\) | 2. | \(10\sqrt{2}~\Omega\) |
| 3. | \(15~\Omega\) | 4. | \(5\sqrt{5}~\Omega\) |
Subtopic: Different Types of AC Circuits |
66%
Level 2: 60%+
NEET - 2023
Hints
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 |
68%
Level 2: 60%+
NEET - 2023
Hints
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. \(Z_1>Z_2\)
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 |
66%
Level 2: 60%+
NEET - 2023
Hints
The maximum power is dissipated for an AC in a/an:
| 1. | resistive circuit | 2. | \({LC}\) circuit |
| 3. | inductive circuit | 4. | capacitive circuit |
Subtopic: Power factor |
75%
Level 2: 60%+
NEET - 2023
Hints
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
Hints
The peak voltage of the AC source is equal to:
| 1. | \(1 / \sqrt{2}\) times the rms value of the AC source. |
| 2. | the value of voltage supplied to the circuit. |
| 3. | the rms value of the AC source. |
| 4. | \(\sqrt{2}\) times the rms value of the AC source. |
Subtopic: RMS & Average Values |
78%
Level 2: 60%+
NEET - 2022
Hints
A series \(LCR\) circuit with inductance \(10~\text{H}\), capacitance \(10~\mu \text{F}\), resistance \(50~\Omega\) is connected to an AC source of voltage, \(V=200 \sin (100 t) \text { volt }\). If the resonant frequency of the \(LCR\) circuit is \(\nu_0\) and the frequency of the AC source is \(\nu\), then:
| 1. | \(\nu=100 ~\text{Hz} ; ~\nu_0=\dfrac{100}{\pi} ~\text{Hz}\) |
| 2. | \(\nu_0=\nu=50~\text{Hz}\) |
| 3. | \(\nu_0=\nu=\dfrac{50}{\pi} ~\text{Hz}\) |
| 4. | \(\nu_{0}=\dfrac{50}{\pi}~ \text{Hz}, \nu=50 ~\text{Hz}\) |
Subtopic: Different Types of AC Circuits |
74%
Level 2: 60%+
NEET - 2022
Hints
Select Chapter Topics:
© 2025 GoodEd Technologies Pvt. Ltd.