Aptitudes are separated and provided under many catagory such as Subject, question paper, topic, etc.
Each aptitude provide : Answer, Solution, Explanation, Discussion, Evaluation marks

Online test for all subjects including:
Power Electronics,
Analog and Digital Electronics,
Electrical and Electronic Measurements,
Control Systems,
Power Systems,
Electrical Machines,
Signals and Systems,
Electromagnetic Fields,
Electric Circuits,
Engineering Mathematics.