WBBSE Madhyamik Electronics (Vocational) study plan

Define current, voltage, resistance, and power in your own words and state the SI unit of each with its symbol

Apply Ohm's law and the power formulas P = VI, P = I²R, P = V²/R to at least 15 numerical problems covering unknown V, I, R, and P

Calculate equivalent resistance, branch current, and voltage drop in three-resistor series, parallel, and series-parallel networks by hand, then verify each with a simulator

Decode ten given four-band resistor colour codes to value and tolerance, and write the colour bands for ten given values including the E12 series

Describe the construction, polarity, and one practical use each of ceramic, electrolytic, and film capacitors, and of an inductor, and state how a multimeter's ohmmeter checks each

Sketch the V-I characteristic of a silicon PN junction diode in forward and reverse bias and mark the knee voltage and breakdown region

Explain the construction and doping of a BJT in CE, CB, and CC configurations and identify which terminal is input and output in each

Draw and label the output characteristics of an NPN BJT in CE mode and mark the active, saturation, and cut-off regions

Solve five fixed-bias and five voltage-divider bias problems to find base current, collector current, and collector-emitter voltage

Compare a JFET and a MOSFET on construction, gate input resistance, and one application each, and explain why a Zener diode is operated in reverse breakdown for regulation

Trace the current path through a half-wave, centre-tap full-wave, and bridge rectifier and state the output frequency and PIV of each

Calculate the ripple factor and DC output voltage of a bridge rectifier from given input and load values

Explain how a shunt capacitor filter reduces ripple and choose a filter capacitor value for a stated load current and ripple target

Draw a single-stage CE amplifier with input and output coupling capacitors and explain the role of each resistor in setting the operating point

Describe the Barkhausen criterion and the frequency-determining network of an RC phase-shift and a Hartley oscillator

Distinguish class A, B, AB, and C power amplifiers by conduction angle and typical efficiency

Convert numbers between binary, decimal, octal, and hexadecimal for at least 20 given values without a calculator

Write the truth table, Boolean expression, and symbol for AND, OR, NOT, NAND, NOR, XOR, and XNOR gates

Simplify five Boolean expressions using Boolean algebra laws and verify each simplification with a truth table

Build and verify a half adder and a full adder from basic gates and write their sum and carry expressions

Explain the working of an RS flip-flop and a JK flip-flop and state one use of a shift register and one of a counter

Describe how to measure voltage, current, and resistance with a digital multimeter, including correct range selection and lead placement, and list three errors that damage a meter

Explain the function of the CRO controls for time base, vertical sensitivity, trigger, and probe compensation and how to measure amplitude and frequency from a displayed waveform

List the steps to make a sound solder joint and to desolder a component, and state three defects of a cold joint

Explain the role of a step-down transformer, bridge rectifier, filter capacitor, and three-terminal regulator in a regulated DC supply and calculate the regulator input voltage needed for a 5 V output

Diagnose three given household appliance faults (for example a fan that hums but does not spin, a charger with no output, and a switch that trips the MCB) and name the first test to perform on each

Draw the block diagram of a linear regulated power supply and label the waveform at each stage from mains AC to regulated DC

Calculate transformer secondary voltage, filter capacitor ripple, and regulator dissipation for a stated load current, and explain why a heatsink is needed above a given current

Trace the mains wiring of a three-pin plug and identify live, neutral, and earth and the purpose of each

Explain the working of a ceiling fan regulator, an electric iron thermostat, and a mobile charger at block level

List five routine maintenance checks a service technician performs on a household appliance before opening it

Demonstrate and describe safe isolation procedure: switch off, unplug, prove dead, and lock or tag before touching a circuit

Explain first aid for electric shock and the correct response to an electrical fire, including which extinguisher to use and which never to use

Describe safe handling and storage of a soldering iron, hand tools, and lithium-ion cells, and list three PPE items used in an electronics workshop

Classify five given e-waste items by hazard and state the correct disposal or recycling route for each, referring to the E-Waste (Management) Rules

Draft a service-shop workflow covering customer enquiry, estimate, repair, testing, billing, and warranty, and list three self-employment options such as repair shop, assembly unit, or installation contractor

Write a short customer-handling script for an angry customer and for explaining a repair that costs more than the estimate

Take two timed full-length mock tests under exam conditions and score each by domain to find weak areas

Re-solve every question missed in the mocks and write the underlying formula or fact beside each correction

Re-derive from memory the key formulas: Ohm's law, power, ripple factor, BJT bias currents, and Boolean identities

Redo one practical from week 5 (multimeter, CRO, or soldering) without notes to confirm retention

Prepare a one-page final revision card covering units, symbols, gate truth tables, safety rules, and e-waste routes