What is a thyristor ? What are its uses ?
How will you test a transistor with a multimeter. ?
What is CB, CE and CC configuration ?
What is transistor ? What are the different types ?
What is zener Diode ? What is a voltage Regulator ? almost vertical Diodes with almost vertical breakdown region are known as Zener Diodes.
What is a filter used for ?
What is a diode ?