ElectroHub

Numerical practice with solutions

Exam-style numericals across the whole EEE syllabus, generated fresh every round — so you can never run out and never memorise the answer. Every one comes with the full working: formula, substitution, result. And every wrong option is a real mistake, named, so getting it wrong tells you which error you just made.

Why the wrong answers matter here

In most question banks the three wrong options are filler. Here they are the mistakes students actually make — dropping the √3 from a three-phase formula, scaling copper loss by the load instead of its square, adding the armature drop instead of subtracting it. Choose one and you are told exactly which slip it was, which is worth more than being told you were wrong.

Choose your topics

Leave everything unselected for a mixed round across all 29 problem types.

What is covered

Ohm's lawDC circuits
Series & parallel resistorsDC circuits
Current dividerDC circuits
Two-source networkDC circuits
Star–delta transformationDC circuits
Thevenin's theoremNetwork theorems
Maximum power transferNetwork theorems
RMS, average & form factorAC fundamentals
Series RLC impedanceAC fundamentals
Series resonanceAC fundamentals
Power factor correctionAC fundamentals
Three-phase powerThree-phase systems
Star & delta relationshipsThree-phase systems
Two-wattmeter readingsThree-phase systems
Transformer turns ratioElectrical machines
Transformer efficiencyElectrical machines
DC motor back emf & speedElectrical machines
DC generator emf equationElectrical machines
Induction motor slipElectrical machines
Induction motor power flowElectrical machines
Alternator frequency & polesElectrical machines
Transmission line regulationPower systems
Energy consumption & costPower systems
Ammeter shuntMeasurements
Voltmeter multiplierMeasurements
Zener regulatorElectronics
Rectifier outputElectronics
Op-amp gainElectronics
555 astable frequencyElectronics