Introduction DC power supply is very important instrument used in laboratory. All electronic circuits work ONLY on DC power supply. They cannot work on AC. DC supply can also be obtained from batteries. But the batteries are costly and require maintenance. So a DC power supply is used, in which mains AC voltage of 230V […]
Challenging Online Tests
Searching for 11-12th bifocal electronics notes, syllabus, solved unsolved problem booklets, practical booklets? Check our great collection of study material.
Self preparation test on the 1st chapter of 12th standard electronics syllabus. Give this test to achieve bright success in the HSC Board Examination of this year. After submission of paper, you will get instant result with full explanation. Give your email address below, to receive result with explanation. Did you like this test? Click […]
This is very important test for the students of 11th standard. The questions asked in this test are based on 11th standard Physics and Electronics syllabus. Many of these questions are regularly asked in JEE main and Advanced examinations. If you are preparing for competitive exams, then this test will be help you understand important […]
This is a very important online exam for the students who want to join 11-12th Coaching at Vidyasagar Academy or to test your skill in basic electronics. There are 10 random questions displayed below. Try to solve each of them. If you score more than 40% marks in this exam, you are invited to join […]