Class 12 Physics Chapter 7: Alternating Current — Important Questions & Mock Tests
Practice Alternating Current topic-wise important questions, MCQs and 1, 2, 3 and 5 mark questions for CBSE revision.
300 Questions 50 Topics MCQs: 100 1 Mark: 50 2 Mark: 50 3 Mark: 50 5 Mark: 50
Topic-wise important and practice questions
Review question distribution across chapter topics for MCQs, 1 Mark questions, 2 Mark questions, 3 Mark questions, 5 Mark questions.
| Topic | MCQ | 1 Mark | 2 Mark | 3 Mark | 5 Mark | Total |
|---|---|---|---|---|---|---|
| Series LCR Impedance | 5 | 5 | 5 | 0 | 0 | 15 |
| Series Resonance | 5 | 5 | 0 | 5 | 0 | 15 |
| AC Generator | 0 | 0 | 0 | 5 | 5 | 10 |
| AC Power and Power Factor | 5 | 0 | 0 | 0 | 5 | 10 |
| Series LCR Circuit | 0 | 0 | 0 | 5 | 5 | 10 |
| Transformer | 0 | 5 | 0 | 0 | 5 | 10 |
| Transformer Losses | 0 | 0 | 5 | 0 | 5 | 10 |
| Transformer Losses and Transmission | 5 | 0 | 0 | 5 | 0 | 10 |
| Wattless Current | 5 | 0 | 0 | 5 | 0 | 10 |
| AC Applied to a Resistor | 5 | 0 | 0 | 0 | 0 | 5 |
| AC Through R, L and C | 0 | 0 | 0 | 5 | 0 | 5 |
| Average Power and RMS Current | 0 | 0 | 5 | 0 | 0 | 5 |
| Average Power in a Resistor | 5 | 0 | 0 | 0 | 0 | 5 |
| Capacitive Reactance | 5 | 0 | 0 | 0 | 0 | 5 |
| Capacitor in AC | 0 | 0 | 5 | 0 | 0 | 5 |
| Effect of Resistance on Resonance | 5 | 0 | 0 | 0 | 0 | 5 |
| Frequency and Time Period of AC | 5 | 0 | 0 | 0 | 0 | 5 |
| Frequency Dependence of Reactance | 0 | 0 | 5 | 0 | 0 | 5 |
| Graphical Interpretation of AC | 5 | 0 | 0 | 0 | 0 | 5 |
| Ideal Transformer Voltage Ratio | 5 | 0 | 0 | 0 | 0 | 5 |
| Inductive Reactance | 5 | 0 | 0 | 0 | 0 | 5 |
| Inductor in AC | 0 | 0 | 5 | 0 | 0 | 5 |
| Peak and RMS Voltage | 5 | 0 | 0 | 0 | 0 | 5 |
| Phase Angle in Series LCR | 0 | 0 | 5 | 0 | 0 | 5 |
| Phase Relation in a Capacitor | 5 | 0 | 0 | 0 | 0 | 5 |
| Phasor of a Pure Inductor | 5 | 0 | 0 | 0 | 0 | 5 |
| Phasor Representation | 0 | 0 | 0 | 5 | 0 | 5 |
| Phasors | 0 | 5 | 0 | 0 | 0 | 5 |
| Power and Wattless Current Components | 5 | 0 | 0 | 0 | 0 | 5 |
| Power Factor | 0 | 5 | 0 | 0 | 0 | 5 |
| Power Factor Correction | 0 | 0 | 0 | 5 | 0 | 5 |
| Power Factor Correction and Transmission | 0 | 0 | 0 | 0 | 5 | 5 |
| Power Factor Improvement | 0 | 0 | 5 | 0 | 0 | 5 |
| Power in AC Circuit | 0 | 0 | 0 | 5 | 0 | 5 |
| Principle of Transformer | 5 | 0 | 0 | 0 | 0 | 5 |
| Pure Capacitor | 0 | 0 | 0 | 0 | 5 | 5 |
| Pure Capacitor in AC | 0 | 5 | 0 | 0 | 0 | 5 |
| Pure Inductor | 0 | 0 | 0 | 0 | 5 | 5 |
| Pure Inductor in AC | 0 | 5 | 0 | 0 | 0 | 5 |
| Pure Resistor in AC | 0 | 5 | 0 | 0 | 0 | 5 |
| Resonance | 0 | 0 | 5 | 0 | 0 | 5 |
| Resonance and Tuning | 0 | 0 | 0 | 0 | 5 | 5 |
| RMS Relations | 0 | 0 | 5 | 0 | 0 | 5 |
| RMS Value of AC | 0 | 5 | 0 | 0 | 0 | 5 |
| RMS Values and Power in a Resistor | 0 | 0 | 0 | 0 | 5 | 5 |
| Series LCR Phasor Diagram | 5 | 0 | 0 | 0 | 0 | 5 |
| Sinusoidal Alternating Current | 0 | 5 | 0 | 0 | 0 | 5 |
| Transformer Theory | 0 | 0 | 0 | 5 | 0 | 5 |
| AC Generator Peak EMF | 3 | 0 | 0 | 0 | 0 | 3 |
| AC Generator Principle | 2 | 0 | 0 | 0 | 0 | 2 |