1.- Considering two elements in series where: v = 500 sin (250 t -40°) volts I= 25 sin (250t - 90°) amp. a) What are the elements of the circuit and their corresponding value? 1→ R V

Please disregard the question on the picture. Here's the right question, at what frequency will the value of the impedance be twice that at 25Hz (refer to the given in question #20).

Please answer a and b below

can you show more step how to calculate Active and reactive power? S = P + Qj how to get P and Q?

answer completely for upvote skip if you already did this or downvote

I need help with this please.

Answer it I will rate

4. For the given circuit for a 20 V sinusoidal input v, what is the value of v, at which the clipping begins? peak V-5V a) 5 V b) 0 V c) -5 V d) Clipping doesn't occur

Q- A buck converter feeding a variable resistive load is shown in the figure. The switching frequency of the switch S is 100 kHz and the duty ratio is 0.6. The output voltage Ve is 36 V, Assume that all the components are ideal, and that the output voltage is ripple-free. The value of R (in Ohm) that will make the inductor current (i) just continuous is 60 V + S 5 mH +1 Vo 36 V

An impedance of 100 - j50 ohms in a network operating at 50 Hz represents a) A resistor of 100 ohms and an inductor of 0.159 Henrys b) A resistor of 100 ohms and a capacitor of 63.66 microfarads c) A 100 ohm resistor and a 1 Henry inductor d) A 100 ohm resistor and a 400 microfarad capacitor e) None of the above