PHY-111 Applied Physics | |||||||
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Teaching Scheme | Credit | Marks Distribution | Duration of End Semester Examination | ||||
L | T | P | Internal Assessment | End Semester Examination | Total | ||
3 | 1 | 0 | 4 | Maximum Marks: 40 | Maximum Marks: 60 | 100 | 3 Hours |
Minimum Marks: 16 | Minimum Marks: 24 | 40 |
Unit - I
DC Circuits: Kirchhoff's voltage and current laws ; power dissipation ; Voltage source and current source ; Mesh and Nodal analysis ; Star-delta transformation ; Superposition theorem , Thevenin's theorem ; Norton's theorem ; Maximum power transfer theorem ; Millman's theorem and Reciprocity theorem ; Transient response of series RL and RC circuits.
Unit - II
Steady state analysis of DC Circuits: The ideal capacitor , permittivity; the multi- plate capacitor , variable capacitor; capacitor charging and discharging , current-voltage relationship , time-constant , rise-time , fall-time , inductor energization and de- energization , inductance current-voltage relationship , time-constant; Transient responseof RL , RC and RLC Circuits
Unit - III
AC Circuits: Sinusoidal sources , RC , RL and RLC circuits , Concept of Phasors, Phasor representation of circuit elements , Complex notation representation , Single phase AC Series and parallel circuits , power dissipation in AC circuits , power factor correction , Resonance in series and parallel circuits , Balanced and unbalanced 3-phase circuit - voltage, current and power relations , 3-phase power measurement , Comparison of single phase and three phase supply systems.
Electromagnetism: Electromagnetic induction , Dot convention , Equivalent inductance , Analysis of Magnetic circuits , AC excitation of magnetic circuit , Iron Losses , Fringing and stacking , applications: solenoids and relays.
Unit - IV
Single Phase Transformers: Constructional features of transformer , operating principle and applications , equivalent circuit , phasor analysis and calculation of performance indices.
Motors and Generators: DC motor operating principle , construction , energy transfer , speed torque relationship , conversion efficiency , applications , DC generator operating principle , reversal of energy transfer , EMF and speed relationship , applications.