Select Chapter Topics:

1. | \(60^\circ\) | 2. | \(90^\circ\) |

3. | \(30^\circ\) | 4. | \(45^\circ\) |

Subtopic: Different Types of AC Circuits |

64%

From NCERT

NEET - 2023

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If \(Z_1\) and \(Z_2\) are the impedances of the given circuits (a) and (b) as shown in 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 |

61%

From NCERT

NEET - 2023

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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 |

71%

From NCERT

NEET - 2023

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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. \(3~ \Omega\)

1. \(4~ \Omega\)

2. \(6~ \Omega\)

3. \(1~ \Omega\)

4. \(3~ \Omega\)

Subtopic: Different Types of AC Circuits |

From NCERT

NEET - 2023

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The net impedance of circuit (as shown in the figure) will be:

1. \(25~\Omega\)

2. \(10\sqrt{2}~\Omega\)

3. \(15~\Omega\)

4. \(5\sqrt{5}~\Omega\)

1. \(25~\Omega\)

2. \(10\sqrt{2}~\Omega\)

3. \(15~\Omega\)

4. \(5\sqrt{5}~\Omega\)

Subtopic: Different Types of AC Circuits |

57%

From NCERT

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 |

58%

From NCERT

NEET - 2023

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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. \(0.37 ~\mathrm{A}\)

2. \(0.27 ~\mathrm{A}\)

3. \(2.7 ~\mathrm{A}\)

4. \(3.7 ~\mathrm{A}\)

1. \(0.37 ~\mathrm{A}\)

2. \(0.27 ~\mathrm{A}\)

3. \(2.7 ~\mathrm{A}\)

4. \(3.7 ~\mathrm{A}\)

Subtopic: Transformer |

66%

From NCERT

NEET - 2023

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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 |

From NCERT

NEET - 2023

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A standard filament lamp consumes \(100\) W when connected to \(200\) V AC mains supply. The peak current through the bulb will be:

1. \(0.707\) A

2. \(1\) A

3. \(1.414\) A

4. \(2\) A

1. \(0.707\) A

2. \(1\) A

3. \(1.414\) A

4. \(2\) A

Subtopic: RMS & Average Values |

69%

From NCERT

NEET - 2022

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An inductor of inductance \(2~\text{mH}\) is connected to a \(220~\text{V}\), \(50~\text{Hz}\) ac source. Let the inductive reactance in the circuit is \(X_1\). If a \(220~\text{V}\) DC source replaces the AC source in the circuit, then the inductive reactance in the circuit is \(X_2\). \(X_1\) and \(X_2\), respectively, are:

1. \(6.28~\Omega\), zero

2. \(6.28~\Omega\), infinity

3. \(0.628~\Omega\), zero

4. \(0.628~\Omega\), infinity

1. \(6.28~\Omega\), zero

2. \(6.28~\Omega\), infinity

3. \(0.628~\Omega\), zero

4. \(0.628~\Omega\), infinity

Subtopic: Different Types of AC Circuits |

65%

From NCERT

NEET - 2022

To view explanation, please take trial in the course.

NEET 2023 - Target Batch - Aryan Raj Singh

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To view explanation, please take trial in the course.

NEET 2023 - Target Batch - Aryan Raj Singh