Chapter 15 SINGLE & THREE PHASE FULL-WAVE CONVERTER (INVERTER) MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . A single phase full bridge inverter has a dc voltage source Vs = 230 V. Find the rms value of the fundamental component of output voltage. (A) 90 V (B) 207 V (C) 350 V (D) 196 VShow All Answers 2. . In a half wave circuit, forced commutation is essential when the (A) none of the mentioned (B) load is resistive (C) source voltage is below 150 V (D) load is inductiveShow All Answers 3. . A three-phase bridge inverter requires minimum of _____________ switching devices. (A) 6 (B) 4 (C) 3 (D) 8Show All Answers 4. . In the three-phase bridge inverter, each step consists of (A) 60° (B) 30° (C) 90° (D) will depend on the value of the firing angleShow All Answers 5. . Line-commutated inverters have (A) DC on the supply side and AC on the load side (B) AC on both supply and load side (C) DC on both supply and load side (D) AC on the supply side and DC on the load sideShow All Answers 6. . Single phase half bridge inverters requires (A) two wire ac supply (B) two wire dc supply (C) three wire ac supply (D) three wire dc supplyShow All Answers 7. . The output of a single-phase half bridge inverter on R load is ideally (A) a sine wave (B) square wave (C) a triangular wave (D) constant dcShow All Answers 8. . The output current wave of a single-phase full bridge inverter on RL load is (A) a sine wave (B) a square wave (C) a triangular wave (D) constant dcShow All Answers 9. . Single-phase full bridge inverters requires (A) 4 SCRs and 2 diodes (B) 4 SCRs and 4 diodes (C) 2 SCRs and 4 diodes (D) 2 SCRs and 2 diodesShow All Answers 10. . In a half wave circuit, forced commutation is essential when the (A) none of the mentioned (B) load is resistive (C) source voltage is below 150 V (D) load is inductiveShow All Answers
