Power Supplies, Filter Circuits Multiple Choice Questions (MCQ) PDF Download

MCQ 1: In fullwave bridge rectifier, if peak to peak ripple voltage is equals to 1.13 V and filter DC output voltage is 14.3 V then ripple factor will be

1. 0.079
2. 0.79
3. 7.9
4. 79

MCQ 2: Peak to peak ripple voltage of fullwave rectifier is equals to

1. (1-1/2fRC)x unfilter rectified voltage
2. (1/2fRC)x unfilter rectified voltage
3. (1/fRC)x unfilter rectified voltage
4. fRC x unfilter rectified voltage

MCQ 3: In fullwave bridge rectifier, if peak to peak ripple voltage is equals to 6 V and filter DC output voltage is 20 V then ripple factor in percentage will be

1. 20%
2. 30%
3. 40%
4. 50%

MCQ 4: If RMS voltage of fullwave bridge rectifier is 115 V and turn ratio of transformer is 0.1 then peak secondary voltage will be equals to

1. 12.4 V
2. 16.3 V
3. 115 V
4. 23.45 V

MCQ 5: A standard AC power supply has frequency of

1. 20 Hz
2. 30 Hz
3. 50 Hz
4. 90 Hz