Students who are preparing for Bihar Board Class 12 Exam will get here Bihar Board Class 12 Physics Syllabus with the unit-wise Marks distribution. This will help the aspirants to know about the chapters having more weightage. Also get the PDF of Detailed Syllabus in this Article.
Physics Syllabus Class 12: Unit wise Marks Distribution
Unit 1: Electrostatics
Unit 2: Current Electricity
Unit 3: Magnetic effect of current and Magnetism
Unit 4: Electromagnetic Induction and Alternating Current
Unit-1ElectrostaticsElectric Charges: Law of Conservation of charge, Coulomb’s Law (i) force between two point charges (ii) forces between multiple charges, Superposition Principle and Charge Distribution.Electric field: (i) Electric field due to a point charge, (ii) electric field due to a dipole, (iii)torque on a dipole in uniform electric field, (iv)Electric Field LinesElectric flux: Gauss’s theorem and its applicationsElectric field (i) due to an infinitely long straight wire (ii) uniformly charged infinite plane sheet and (iii) uniformly charged thin spherical shell (field inside and outside).Electric potential: Potential difference, System of Charges and Dipole, Equipotential surfacesConductors and Insulators: Charges Inside a Conductor, Polarisation, Capacitors and Capacitance, Series and Parallel combination of Capacitor, Parallel plate Capacitor, Energy stored in a Capacitor.Van de Graaff generator: Working Principle, concept and Construction of Generator.Unit-2Current Electricity
Resistance: Electrical resistance, V-I characteristics (linear and nonlinear), electrical energy, electrical resistivity, power and conductivity, temperature dependence of resistance.
Carbon resistors: colour code, combinations of resistors.
Cell: Internal resistanc, potential difference, combination of cells.
Kirchhoff’s laws its applications.
Wheatstone Bridge: Principle and its application
Metre Bridge: Principle and its application.
Potentiometer: Principle and its application
Unit 3Magnetic effect of current and Magnetism
Biot – Savart law and its application.
Ampere’s law and its applications.
Straight and toroidal solenoid, Cyclotron.
Moving Coil Galvanometer, Ammeter, Voltmeter
Torque on a magnetic dipole
Earth’s magnetic field and magnetic elements.
Electromagnets and factors affecting their strengths.
Unit 4Electromagnetic Induction and Alternating Current
Self and mutual induction, Need for replacement current.
Alternating currents, peak and rms value of alternating current/voltage; reactance and impedance; LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits, wattless current.
AC generator and transformer.
Unit 5Electromagnetic Waves
Electromagnetic waves: characteristics and nature of waves.
Semiconductor: Extrinsic & Intrinsic Semiconductors, Types of diode, characteristics in forward and reverse bias.
Rectifier: Rectifier as a Diode, Half Wave Rectifier, Full Wave Rectifier.
Transistor: characteristics of transistor, transistor as an amplifier (common emitter configuration), transistor as a switch.
Analog and digital signals: Basic concept, Logic gates (OR, AND, NOT, NAND and NOR),
Unit 10Communication Systems
Basic terminology used in Electronic communication system
Block Diagram of a Communication System.
Bandwidth of Signals & transmission Medium.
Electromagnetic Wave Propagation in the Atmosphere.
Modulation and its Importance.
Amplitude Modulation: Production and detection of Amplitude Modulated Wave.
Sky and space Wave Propagation, Satellite Communication.
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