Circuit and Device Formulas
Keep KCL, KVL, Thevenin, Norton, transient relations, diode, BJT, MOSFET, op-amp, and power supply formulas ready for objective questions.
BEL Formula Revision
BEL Formula Sheet
A formula-first BEL Electronics revision page for quick recall before PYQs, MCQs, and full paper practice.
BEL
Exam
Formulas
Use
ECE
Branch
Signals, Control, and Communication
Revise Fourier, Laplace, Z-transform, sampling, time response, stability, modulation, bandwidth, noise, and information theory formulas.
Digital and Microprocessor Recall
Use Boolean identities, counters, flip-flops, number systems, ADC/DAC basics, 8085 instructions, addressing modes, and timing concepts for fast scoring.
Fast Study Links
Notes-Wise ECE Revision
Network Analysis
Network Analysis notes for circuit laws, KCL, KVL, theorems, AC/DC analysis, two-port networks, graph theory, and filters.
Analog Electronics
Analog Electronics notes for diodes, BJTs, MOSFETs, amplifiers, op-amps, filters, oscillators, and waveform generators.
Digital Electronics
Digital Electronics notes for logic gates, Boolean algebra, K-maps, combinational and sequential circuits, flip-flops, counters, and registers.
Signals and Systems
Continuous and discrete signals, LTI systems, convolution, Fourier series, and Laplace transform.
Communication Systems
AM, FM, PM, digital modulation, noise, bandwidth, sampling theorem, and information theory.
Electromagnetic Theory
Maxwell's equations, wave equation, EM waves, boundary conditions, and transmission lines.