Circuits with Resistance and Inductance

Subtopics:

• RL Circuits:

  • Time constant -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 227)
  • Growth and decay of current in RL circuit -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 227-229)
  • Energy stored in an inductor (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 231)

• Inductive Reactance:

  • Inductive reactance (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 229)
  • Comparison with capacitive reactance (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 229-230)

• Impedance in RL Circuits:

  • Impedance -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 230)
  • Phasor diagrams (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 230-231)
  • Power in RL circuits -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 233-234)
  • Power factor -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 234-235)

• Series RL Circuits:

  • Impedance of series RL circuits -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 238-239)
  • Resonance in series RL circuits (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 239-241)
  • Quality factor Refer to: (NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 240-241)

• Parallel RL Circuits:

  • Impedance of parallel RL circuits (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 241-242)
  • Resonance in parallel RL circuits (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 242-243)
  • Quality factor (Refer to: (NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 242-243)

• Mutual Inductance:

  • Coefficient of mutual inductance (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 247)
  • Energy stored in coupled inductors (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 248)
  • Dot convention (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 248)

• Transformers:

  • Basic principles of transformer -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 251-252) - Transformer turns ratio -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 251-252)
  • Ideal and practical transformers -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 252-253)
  • Efficiency of transformer -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 252-253)

• Types of transformers (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 253)

• AC Bridges and Applications:

• Wheatstone bridge -(Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 275-276)

• Hay bridge

• Maxwell bridge (Refer to: NCERT class 12 Physics Textbook, Chapter 7, Alternating Current, page 276-278)

• Schering bridge

• Applications of AC bridges