RRB JE CBT 2 Electrical study plan

Derive and apply Kirchhoff's voltage and current laws to solve at least 15 two-loop DC networks, showing every node and mesh equation

State and prove Thevenin's and Norton's theorems, then convert five circuits between the two equivalent forms

Compute equivalent resistance for series, parallel, and star-delta configurations, including three balanced delta loads converted to star

Explain the working principle of a moving-coil and a moving-iron instrument and compare their torque equations and typical applications

Solve five numericals on shunt and multiplier resistors used for range extension of ammeters and voltmeters

Analyse single-phase AC series RLC circuits: compute impedance, phase angle, resonant frequency, and Q-factor for six given component sets

Draw phasor diagrams for purely resistive, inductive, capacitive, and mixed loads and label the power triangle for each

Explain Faraday's and Lenz's laws with two worked numericals each on self-induced and mutually induced EMF

Describe the construction and EMF equation of a DC generator and derive E = (P phi N Z)/(60 A)

Sketch the armature reaction effect and state two methods of compensating it

Compare DC shunt, series, and compound motor characteristics and match each type to a stated industrial application

Solve eight numericals on DC motor back EMF, speed control by armature and field resistance, and losses/efficiency

Derive the condition for maximum efficiency of a single-phase transformer and verify it numerically for a given iron and copper loss

Perform open-circuit and short-circuit test calculations to obtain equivalent circuit parameters referred to the primary

Explain parallel operation of transformers and compute load sharing for two units with unequal ratings and per-unit impedances

Distinguish core-type and shell-type construction and state why transformer cores are laminated

Compute slip, rotor frequency, and torque from given synchronous speed and rotor speed values for a three-phase induction motor

Explain the reason for a rotating magnetic field in a three-phase stator and draw the field at three instants

Describe star-delta and auto-transformer starters and state the starting torque ratio for each

Explain synchronous motor V-curves and the significance of the excitation for power factor correction

Describe the V-I characteristics of a power diode, SCR, and IGBT and identify the triggering method for an SCR

Solve six numericals on single-phase half-wave and full-wave controlled rectifiers with resistive load, computing average and RMS output voltage

List the main components of a thermal, hydro, and nuclear generating station and state one advantage and one limitation of each

Compute line losses, efficiency, and voltage regulation for a short transmission line given sending-end and receiving-end quantities

Compare overhead and underground distribution systems and explain the radial and ring main arrangements

Explain the working of a buck, boost, and buck-boost chopper and derive the output voltage relation for continuous conduction

Describe single-phase bridge inverter operation in 180-degree and 120-degree conduction modes with output waveforms

Select and justify a motor drive for a stated load: constant torque, constant power, and fan-type load

Explain the operation of a circuit breaker, fuse, and protective relay and match each to a stated fault condition

Describe Merz-Price differential protection and distance protection and state the zone of operation for each

Draw the block diagram of an open-loop and closed-loop control system and compute steady-state error for a step input

Apply Routh-Hurwitz criterion to determine stability for four given characteristic equations

Compute illumination on a working plane using the inverse-square law and the cosine law for three lamp configurations

Compare resistance, induction, and arc heating furnaces and state two industrial uses of each

Analyse a BJT common-emitter amplifier: draw the load line, locate the Q-point, and compute voltage gain for a given circuit

Derive the gain of an inverting and a non-inverting op-amp configuration and solve four numericals on each

Reduce Boolean expressions using Karnaugh maps for four-variable functions and implement the result with NAND gates only

Explain the architecture of an 8085 microprocessor: registers, ALU, address and data buses, and interrupt lines

Describe the traction system used in Indian Railways and compare DC series and three-phase induction traction motors

Explain the speed-time curve for a train and identify the meaning of each segment

Solve 40 reasoning items covering series completion, coding-decoding, blood relations, and syllogisms under timed conditions

Practise 30 elementary mathematics items on percentages, ratio, time-work, and simple interest and record accuracy

Revise 50 general awareness facts on Indian polity, geography, and current railway developments

State five road-safety rules and five electrical safety practices relevant to railway installations

Review the Indian Electricity Rules and standard wiring practices for domestic and railway premises

Reattempt every previously wrong numerical from weeks 1 to 7 without notes