HW Rectifier with R Load

1. What is the output frequency of an uncontrolled half-wave rectifier if the input frequency is 50 Hz?

• 60 Hz

• 100 Hz

• 50 Hz

• 100 kHz

In an uncontrolled half-wave rectifier, which device is typically used as the rectifying element?

• Bipolar Junction Transistor (BJT)

• Field-Effect Transistor (FET)

• Diode

• Silicon-Controlled Rectifier (SCR)

What is the conduction angle of an uncontrolled half-wave rectifier?

• 90 degree

• 120 degree

• 180 degree

• 360 degree

In an uncontrolled half-wave rectifier, during the negative half-cycle of the input voltage, the diode:

• Conducts

• Blocks

• Breakdown

• None of the above

What is the average output voltage of an uncontrolled half-wave rectifier with a resistive load?

• zero

• The peak voltage of the input waveform

• The peak voltage of the input waveform divided by π

• The peak voltage of the input waveform multiplied by 2/π

The power factor of an uncontrolled half-wave rectifier with R load is approximately:

• 50%

• 70.7%

• 81.2%

• 100%

What is the peak inverse voltage (PIV) across the diode in an uncontrolled half-wave rectifier?

• Half of the peak input voltage

• Equal to the peak input voltage

• Twice the peak input voltage

• Zero

Which of the following is a disadvantage of an uncontrolled half-wave rectifier?

• Low rectification efficiency

• High voltage drop across the diode

• High harmonic content in the output

• Complex control circuitry

Which of the following is true for an uncontrolled half-wave rectifier?

• The output voltage is always positive.

• he output voltage is always negative.

• The output voltage can be positive or negative.

• The output voltage is zero.

What happens if the load resistance in an uncontrolled half-wave rectifier is decreased?

• The output current increases.

• The output current decreases.

• The ripple content decreases.

• The diode current decreases.