(i) Change of voltage and current with time, phase; peak and rms values of voltage and current; their relation in sinusoidal case. peak and rms values of voltage and current; their relation in sinusoidal case. (ii) Variation of voltage and current in a.c. circuits consisting of only a resistor, only an inductor and only a capacitor (phasor representation), phase lag and phase lead. (iii) The LCR series circuit: phasor diagram, expression for V or I; phase lag/lead; impedance of a series LCR circuit (arrived at by phasor diagram); Special cases for RL and RC circuits. (iv) Power P associated with LCR circuit = ½VoIo cosf =VrmsIrms cosf = Irms2R; power absorbed and power dissipated; choke coil (choke and starter); electrical resonance; bandwidth of signals and Q factor; oscillations in an LC circuit (? = 1/vLC). (iv) Power P associated with LCR circuit = ½VoIo cosf =VrmsIrms cosf = Irms2R; power absorbed and power dissipated; choke coil (choke and starter); electrical resonance; bandwidth of signals and Q factor; oscillations in an LC circuit (? = 1/vLC). (iv) Power P associated with LCR circuit = ½VoIo cosf =VrmsIrms cosf = Irms2R; power absorbed and power dissipated; choke coil (choke and starter); electrical resonance; bandwidth of signals and Q factor; oscillations in an LC circuit (? = 1/vLC). (iv) Power P associated with LCR circuit = ½VoIo cosf =VrmsIrms cosf = Irms2R; power absorbed and power dissipated; choke coil (choke and starter); electrical resonance; bandwidth of signals and Q factor; oscillations in an LC circuit (? = 1/vLC). (iv) Power P associated with LCR circuit = ½VoIo cosf =VrmsIrms cosf = Irms2R; power absorbed and power dissipated; choke coil (choke and starter); electrical resonance; bandwidth of signals and Q factor; oscillations in an LC circuit (? = 1/vLC). (iv) Power P associated with LCR circuit = ½VoIo cosf =VrmsIrms cosf = Irms2R; power absorbed and power dissipated; choke coil (choke and starter); electrical resonance; bandwidth of signals and Q factor; oscillations in an LC circuit (? = 1/vLC). (iv) Power P associated with LCR circuit = ½VoIo cosf =VrmsIrms cosf = Irms2R; power absorbed and power dissipated; choke coil (choke and starter); electrical resonance; bandwidth of signals and Q factor; oscillations in an LC circuit (? = 1/vLC).
1. Electrostatics 2. Current Electricity 3. Magnetism 4. Electromagnetism 5. Alternating Current Circuits 6. Wave Optics 7. Ray Optics and Optical Instruments 8. Electrons and Photons 9. Atoms 10. Nuclei 11. Nuclear Energy 12. Semiconductor Devices 13. Communication Systems