Power Electronics

Conducts when not triggered ✘ Conducts when not triggered in both direction ✘ Conducts when triggered in one direction ✘ None of the above ✔

Rise of current in SCR ✘ Rise of voltage across SCR ✘ Conduction period ✘ All of the above ✔

To restore conduction angle on phase ✘ To avoid negative reversal voltage drop ✘ To reduce the PRV ✘ All of the above ✔

Current distribution ✘ Voltage distribution ✘ Firing of SCRs ✘ All of the above ✔

TRIAC ✘ Thyristor ✘ Transistor ✘ GTO ✔

Forward current ✘ Latching current ✘ Holding current ✘ Breakover current ✔

Anode voltage ✘ Gate current ✘ Forward current ✘ Anode current ✔

Back emf load ✘ Resistive load ✘ R-L Load ✘ Inductive load ✔

The holding current is greater than latching current ✘ The two current are equal ✘ The latching current is greater the holding current ✘ None of the above ✔

Similar to CE with a linear and saturation region ✘ Similar to FET with a linear and pinch off region ✘ Similar to tunnel diode in some respects ✘ Similar to PN junction diode in some respects ✔