1. Choppers are used to control the DC voltage level. A. True B. False 2. Which one of the following devices is uncontrolled? A. SCR B. MOSFET C. Diode D. TRIAC 3. Cuk-converter is better than the Buck converter in terms of the output voltage. A. True B. False 4. What is …
1. Choppers are used to control the DC voltage level. A. True B. False 2. Which one of the following devices is uncontrolled? A. SCR B. MOSFET C. Diode D. TRIAC 3. Cuk-converter is better than the Buck converter in terms of the output voltage. A. True B. False 4. What is …
1. For α > 90°, 3-Φ Full wave bridge rectifier acts as a natural commutated inverter. A. True B. False 2. What is the formula for output voltage for 3-Φ Full wave bridge rectifier for R-L load? A. 3Vml(cos(∝))÷2π B. 3Vml(cos(∝))÷π C. 2Vml(cos(∝))÷π D. 6Vml(cos(∝))÷π 3. The output voltage of the 3-Φ Full …
1. For α > 90°, 3-Φ Full wave bridge rectifier acts as a natural commutated inverter. A. True B. False 2. What is the formula for output voltage for 3-Φ Full wave bridge rectifier for R-L load? A. 3Vml(cos(∝))÷2π B. 3Vml(cos(∝))÷π C. 2Vml(cos(∝))÷π D. 6Vml(cos(∝))÷π 3. The output voltage of the 3-Φ Full …
1. Calculate the Vo(avg) for the 3-Φ phase Half-wave uncontrolled rectifier if the supply value is 440 V. A. 297.25 V B. 298.15 V C. 298.11 V D. 300.15 V 2. Calculate the pulse number if the supply frequency is 2π and the output frequency is 2π÷3. A. 4 B. 5 C. 6 D. 3 …
1. Calculate the Vo(avg) for the 3-Φ phase Half-wave uncontrolled rectifier if the supply value is 440 V. A. 297.25 V B. 298.15 V C. 298.11 V D. 300.15 V 2. Calculate the pulse number if the supply frequency is 2π and the output frequency is 2π÷3. A. 4 B. 5 C. 6 D. 3 …
1. Calculate the voltage across the freewheeling diode when the output voltage is 24 V. A. -15 V B. -24 V C. 28 V D. 39 V 2. Calculate the value of the conduction angle for SCR for R-L load with a freewheeling diode if the value of β and α are 65° and …
AC/DC Conversion of Inductive Loads With Freewheeling Diode MCQ Read More »
1. Calculate the value of the conduction angle for R-L load if the value of β and α are 19° and 29°. A. 10° B. 70° C. 30° D. 80° 2. Calculate the V0 avg for Single-phase Half Wave rectifier for R-L load using the data: Vm=24 V, ∝=30°, β=60°. A. 1.39 V B. 8.45 …
AC/DC Conversion for Inductive Loads Without Freewheeling Diode MCQ [Free PDF] Read More »
1. Calculate the value of the conduction angle for R-L load if the value of β and α are 19° and 29°. A. 10° B. 70° C. 30° D. 80° 2. Calculate the V0 avg for Single-phase Half Wave rectifier for R-L load using the data: Vm=24 V, ∝=30°, β=60°. A. 1.39 V B. 8.45 …
1. Calculate the value of the Input power factor for a 1-Φ Full wave bridge rectifier if the firing angle value is 39°. A. .69 B. .59 C. .78 D. .15 2. Calculate the value of the fundamental displacement factor for a 1-Φ Full wave bridge rectifier if the firing angle value is 38°. …
