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°. …
1. In a Half-wave controlled rectifier calculate the average value of the voltage if the supply is 13sin(25t) and the firing angle is 13°. A. 4.08 V B. 4.15 V C. 3.46 V D. 5.48 V 2. Calculate the extinction angle as a purely inductive load if the firing angle is 13°. A. 328° …
1. In a Half-wave controlled rectifier calculate the average value of the voltage if the supply is 13sin(25t) and the firing angle is 13°. A. 4.08 V B. 4.15 V C. 3.46 V D. 5.48 V 2. Calculate the extinction angle as a purely inductive load if the firing angle is 13°. A. 328° …
Single Phase Half Wave Controlled Rectifier with Resistive Load MCQ Read More »
1. In a Half-wave controlled rectifier calculate the average value of the voltage if the supply is 13sin(25t) and the firing angle is 13°. A. 4.08 V B. 4.15 V C. 3.46 V D. 5.48 V 2. Calculate the extinction angle as a purely inductive load if the firing angle is 13°. A. 328° …
1. In a Half-wave controlled rectifier calculate the average value of the voltage if the supply is 13sin(25t) and the firing angle is 13°. A. 4.08 V B. 4.15 V C. 3.46 V D. 5.48 V 2. Calculate the extinction angle as a purely inductive load if the firing angle is 13°. A. 328° …
1. Calculate the value of output r.m.s voltage for a Single-phase Half-bridge inverter if the DC supply is 80 V. A. 40 V B. 20 V C. 10 V D. 60 V 2. High d(i)÷d(t) causes _______________ A. Local hotspots B. Breakdown C. High cost D. Low cost 3. Calculate the value of …
dv/dt Protection MCQ [Free PDF] – Objective Question Answer for dv/dt Protection Quiz Read More »
1. Calculate the value of output r.m.s voltage for a Single-phase Half-bridge inverter if the DC supply is 80 V. A. 40 V B. 20 V C. 10 V D. 60 V 2. High d(i)÷d(t) causes _______________ A. Local hotspots B. Breakdown C. High cost D. Low cost 3. Calculate the value of …
di/dt Protection MCQ [Free PDF] – Objective Question Answer for di/dt Protection Quiz Read More »
1. Which one of the following loads is suitable for load commutation in a Single-phase Half-bridge inverter? A. R-L load B. R-L-C overdamped C. R-L-C underdamped D. L-load 2. R-L-C overdamped loads are generally lagging power factor loads. A. True B. False 3. A step-down chopper has an input voltage of 40 V …
1. The value of the latching current is more than the holding current. A. True B. False 2. SCR is a current controlled device. A. True B. False 3. Calculate the value of the safety factor using the data: tc=12 msec, tq=6 msec. A. 4 B. 2 C. 3 D. 6 4. …
1. The base of a transistor is lightly doped. A. True B. False 2. Who is larger in size? A. Base B. Collector C. Emitter D. P-N Junction 3. Calculate the collector current using the data: IE=14 mA, IB=7 mA. A. 7 mA B. 8 mA C. 9 mA D. 10 mA …
