7-When a 60 Hz sinusoidal voltage is applied to the input of a half-wave rectifier, the output frequency is (1) 120Hz (b)30Hz ()60 Hz (d)0Hz 8- The peak value of the input to a half-wave rectifier is...

7-When a 60 Hz sinusoidal voltage is applied to the input of a half-wave rectifier, the output frequency is (1) 120Hz (b)30Hz ()60 Hz (d)0Hz 8- The peak value of the input to a half-wave rectifier is 10 V. The approximate peak value of the output is @10V (5)3.18V (©)10.7V )93V 9- The average value of a full-wave rectified voltage with a peak value of 75 V is ()53 V (b)47.8V (¢)37.5V (d)239V 10- When a 60 Hz sinusoidal voltage is applied to the input of a full-wave rectifier, the output frequency is (a) 120 Hz (b) 60 Hz (c) 240 Hz (d) 0 Hz 11- When the rms output voltage of a bridge full-wave rectifier is 20 V, the peak inverse voltage across the diodes is (neglecting the diode drop) ()20 V (b)40V (¢) 283 V (d) 56.6 V 12- The ideal dc output voltage of a capacitor-input filter is equal to (a) the peak value of the rectified voltage (b) the average value of the rectified voltage (c) the rms value of the rectified voltage 13- A 60 V peak full-wave rectified voltage is applied to a capacitor-input filter. If f = 120 Hz, RL = 10 k , and C = 10 F, the ripple voltage is (@ 0.6 V(b)6mV (c)5.0V (d)2.88V 14- If the load resistance of a capacitor-filtered full-wave rectifier is reduced, the ripple voltage (a) increases (b) decreases (¢) is not affected (d) has a different frequency


Extracted text: 7-When a 60 Hz sinusoidal voltage is applied to the input of a half-wave rectifier, the output frequency is (a) 120 Hz (b) 30 Hz (c) 60 Hz (d) 0 Hz 8- The peak value of the input to a half-wave rectifier is 10 V. The approximate peak value of the output is (a) 10 V (b) 3.18 V (c) 10.7 V (d) 9.3 V 9- The average value of a full-wave rectified voltage with a peak value of 75 V is (a) 53 V (b) 47.8 V (c) 37.5 V (d) 23.9 V 10- When a 60 Hz sinusoidal voltage is applied to the input of a full-wave rectifier, the output frequency is (a) 120 Hz (b) 60 Hz (c) 240 Hz (d) 0 Hz 11- When the rms output voltage of a bridge full-wave rectifier is 20 V, the peak inverse voltage across the diodes is (neglecting the diode drop) (a) 20 V (b) 40 V (c) 28.3 V (d) 56.6 V 12- The ideal de output voltage of a capacitor-input filter is equal to (a) the peak value of the rectified voltage (b) the average value of the rectified voltage (c) the rms value of the rectified voltage 13- A 60 V peak full-wave rectified voltage is applied to a capacitor-input filter. If f 120 Hz, RL = 10 k , and C = 10 F, the ripple voltage is (a) 0.6 V (b) 6 mV (c) 5.0 V (d) 2.88 V 14- If the load resistance of a capacitor-filtered full-wave rectifier is reduced, the ripple voltage (a) increases (b) decreases (c) is not affected (d) has a different frequency