Solution: The value of load power for a firing angle a = 75° is

Solution: The average current is

Solution: Determine the forward resistance of the diode

Solution: Determine the conduction angle

Solution: What is the required input voltage to fire the SCR?

Solution: Determine the maximum allowable duration of such surge

Solution: Calculate the frequency of the square wave generated by the circuit

Solution: Calculate the value of C1 = C2 for the Wien bridge oscillator

Solution: Determine the resonant frequency

Solution: Calculate the change in gain of the feedback amplifier