EE 541- Industrial Electronics
Instruction: Choose the letter of your choice corresponds to the correct answer.
1. Which of the following isn’t a type of rectifier?
a) Precision Half-wave Rectifier
b) Bridge Rectifier
c) Peak Rectifier
d) None of the mentioned
2. For a half wave or full wave rectifier the Peak Inverse Voltage of the rectifier is
always
a) Greater than the input voltage
b) Smaller than the input voltage
c) Equal to the input voltage
d) Greater than the input voltage for full wave rectifier and smaller for the half wave
rectifier
3. Bridge rectifier is an alternative for
a) Full wave rectifier
b) Peak rectifier
c) Half wave rectifier
d) None of the mentioned
4. In a half wave rectifier, the sine wave input is 200sin300t. The average value of
output voltage is?
a) 57.876V
b) 63.694V
c) 67.453V
d) 76.987V
5. If the input frequency of a half wave rectifier is 100Hz, then the ripple frequency
will be_________
a) 150Hz
b) 100Hz
c) 200Hz
d) 300Hz
, 6. In a center-tapped full wave rectifier, the input sine wave is 250sin100t. The
output ripple frequency will be _________
a) 50Hz
b) 25Hz
c) 100Hz
d) 200Hz
7. Ripple factor of bridge full wave rectifier is?
a) 1.414
b) 0.482
c) 1.212
d) 1.321
8. If input frequency is 50Hz then ripple frequency of bridge full wave rectifier will
be equal to_________
a) 200Hz
b) 45Hz
c) 50Hz
d) 100Hz
9. In a shunt capacitor filter, the mechanism that helps the removal of ripples
is_________
a) The current passing through the capacitor
b) The property of capacitor to store electrical energy
c) The voltage variations produced by shunting the capacitor
d) Uniform charge flow through the rectifier
10. The cut-in point of a capacitor filter is_________
a) The instant at which the conduction starts
b) The instant at which the conduction stops
c) The time after which the output is not filtered
d) The time during which the output is perfectly filtered
11. A type of power supply that whose terminal voltage remains almost constant
regardless of the amount of current drawn from it
a) Unregulated power supply
b) Regulated power supply
c) Filtered power supply
d) Rectified power supply
Instruction: Choose the letter of your choice corresponds to the correct answer.
1. Which of the following isn’t a type of rectifier?
a) Precision Half-wave Rectifier
b) Bridge Rectifier
c) Peak Rectifier
d) None of the mentioned
2. For a half wave or full wave rectifier the Peak Inverse Voltage of the rectifier is
always
a) Greater than the input voltage
b) Smaller than the input voltage
c) Equal to the input voltage
d) Greater than the input voltage for full wave rectifier and smaller for the half wave
rectifier
3. Bridge rectifier is an alternative for
a) Full wave rectifier
b) Peak rectifier
c) Half wave rectifier
d) None of the mentioned
4. In a half wave rectifier, the sine wave input is 200sin300t. The average value of
output voltage is?
a) 57.876V
b) 63.694V
c) 67.453V
d) 76.987V
5. If the input frequency of a half wave rectifier is 100Hz, then the ripple frequency
will be_________
a) 150Hz
b) 100Hz
c) 200Hz
d) 300Hz
, 6. In a center-tapped full wave rectifier, the input sine wave is 250sin100t. The
output ripple frequency will be _________
a) 50Hz
b) 25Hz
c) 100Hz
d) 200Hz
7. Ripple factor of bridge full wave rectifier is?
a) 1.414
b) 0.482
c) 1.212
d) 1.321
8. If input frequency is 50Hz then ripple frequency of bridge full wave rectifier will
be equal to_________
a) 200Hz
b) 45Hz
c) 50Hz
d) 100Hz
9. In a shunt capacitor filter, the mechanism that helps the removal of ripples
is_________
a) The current passing through the capacitor
b) The property of capacitor to store electrical energy
c) The voltage variations produced by shunting the capacitor
d) Uniform charge flow through the rectifier
10. The cut-in point of a capacitor filter is_________
a) The instant at which the conduction starts
b) The instant at which the conduction stops
c) The time after which the output is not filtered
d) The time during which the output is perfectly filtered
11. A type of power supply that whose terminal voltage remains almost constant
regardless of the amount of current drawn from it
a) Unregulated power supply
b) Regulated power supply
c) Filtered power supply
d) Rectified power supply
