Power Electronics Daily Quiz #1

Full form of SCR is-
1. Semi Conductor Rectifier
2. Semi Controlled Rectifier
3. Silicon controlled rectifier
4. Selenium controlled rectifier

Full form of LASCR is-
1.Lanthenum Activated SCR
2.Light Activated SCR
3.Low Affinity SCR
4.LUX Activated SCR

Full form of ASCR is-
1.Astable SCR
2.Activated SCR
3.Asymmetrical SCR
4.Astatic SCR

Full form of  GTO is-
1. Ground Terminal Observer thyristor
2. Greater Thermal On Off thyristor
3. Gate Turn Off thyristor
4. Gate Turn On Off Thyristor

Which of the following has the highest power rating-
1. PMOSFET
2. GTO
3. PBJT
4. SCR 

The second fastest switching device out of following-
1. SCR
2. PMOSFET
3. PBJT
4. IGBT

Switching frequency is inversely proportional to-
1. string efficiency
2. power rating
3. power loss
4. average current through the device