a) If a DC source (frequency equal to zero) was used, what should be the ideal resistor and inductor voltages in a series RL circuit? Support your answer by providing a computation. b) If a DC source (frequency equal to zero) was used, what should be the ideal resistor and capacitor voltages in a series RC circuit? Support your answer by providing a computation.

Provide 3 example calculations involving DC Circuit under transient current conditions on series R-L and series R-C circuit.

Sensor and system

(b) Design the circuit by finding the value for the capacitor, C and the line voltage Vpri(rms) to the circuit to produce the output as shown in Figure Q1(b).

Analytical Problem: Show all work neatly. 15) The plot below shows the time dependent voltage trace for an unknown ac- voltage source. Using a ruler and pencil, and calculations as required, precisely determine the following quantities for this voltage waveform: 1) the maximum peak-to-peak voltage amplitude, Vp, 2) the voltage amplitude Vo, 3) the rms voltage, V.ms, 4) the waveform period; and 5) the frequency of the ac-voltage source. Show all work on the plot, using a pencil and ruler (electronic equivalent), including all calculations. 160 120 80 40 2 4 8 10 12 14 16 18 20 Time (mSec) -40 -80 -120 -160 (10)soƆºA = (1)A

(i) The symmetrical component method. (ii) The maximum deviation method.

Q11 (Hor 4.72) In each of the circuits below Us is a sinusoid of 10% peak amplitude. The fuse is designed to blow it the exceeds o.1A. current a) In which of the circuits will the fuse blow when no load is connected? b) A load resistor is connected to each of the circuits. Of the circuits with no blown fuse from part (a), how small can the load resistor become before the fuse will blow? Vs 0-1A Fuce (9) 0-1A Fuse 100.5 5052 VOUT VOUT 0.1A Fuse 0.1A Fuse 505 10052 w (d) VOUT VOUT

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

In the DC circuits, due to the .................... frequency, the capacitance will be ...................., while the inductor equal to ........................ circuit.

What type of RCCB's we must use in AC Circuits? Can we use RCCB in DC circuits? Why?