3.3.1)

Supply voltage of full wave bridge rectifier is V.

Full wave bridge rectifier turns ratio is .

Voltage transfomation ratio is .

Here , and .

Substitutue corresponding values in .

.

Peak secondary voltage is 40 V.

3.3.2)

Peak secondary voltage is 40 V.

Average volatage is defined as .

Here, V.

Average secondary voltage is 25.46 V.

3.3.3)

Peak inverse voltage of diodes:

Peak inverse voltage of diode is 80V.

Full wave bridge rectifier turns ratio is .

Voltage transfomation ratio is .

Here , and .

Substitutue corresponding values in .

.

 The Oscilloscope displays a sine wave having vertical divisions and horizontal divisions.

The vertical amplifier scale is 2 V/div.

The horizontal scale is .

The Amplitude of a sine wave is magnitude of maximum voltage to reference line.

Therefore, consider vertical divisions from reference line to maximum value.

Amplitude 6 V.

Step 2:

8.2)

The peak-to-peak value: .

is the peak amplitude of the waveform.

Substitute in the above expression.

The peak-to-peak voltage value is 12 V.

Step 3:

8.3)

Period:Time taken by the wave to complete one full cycle.

The time period of a sine wave is number of divisions horizontal scale.

Time period of the wave is .

Frequency: .

Frequency of the wave is 8.33 khz. 

Step 4:

Average DC voltage value is 0.637 times of its peak value. 

.

Substitute in the above expression.

Average DC voltage value is 3.822 V.