What is the peak-to peak voltage of a 56VRMS ac voltage? Select one: a. 79 V b. 164 V c. 82 V d. 158 V

Q2) Design a Bridge FWR to supply a load of (1002) with the waveform shown in figure from the main power supply of (220 Vrms). Find: - 1- The transformer turns ratio (a). 2- The ripple voltage. Vot Vm = 12 V 3- The Vde value. 4- The RMS value of the output voltage. 5- The ripple factor. 6- The value of capacitor filter. Vip = 0.1 V (assume ideal diodes) T=0.01 sec. tisec) Q3) V in Design a regulated circuit to supply a constant voltage of (10 V) across a resistive load of (50 2). The input voltage is shown in the figure. The minimum current for the Zener diode operation is (Izk=5mA). Find the 15 V 15 maximum power dissipated in the Zener diode. 12.5 12 V 10

Q9. Draw Zener regulator circuit to obtain regulated DC voltage 6.8 V. Considering input DC voltage in the range from 10V to 30V. Consider load resistance of 110KQ. Q10. Determine maximum and minimum value of Zener current if value of series resistance is 1 K, load resistance is 2KN and input varies from 10V to 30V. Zener voltage is 5 V. Q11. What is LED?