# (Solved): Do not copy existing answers from chegg. In the following circuit the transformer has an into of ...

Do not copy existing answers from chegg.

In the following circuit the transformer has an into of $$120 \mathrm{Vrms}$$ and a turns ratio of $$10: 1$$. Diode forward voltage is $$0.7 \mathrm{~V}$$. The desired output is $$5 \mathrm{~V} \mathrm{DC}$$. a) Sketch the waveform seen at points A, B (with and without capacitor) and C in the circuit for 2 periods of the input, Vs. Mark the expected V max and indicate the time scale in terms of the period of the input, Ts. b) On the graph for point B (without capacitor) indicate the time when the diode, DI, is conducting or 'on". c) The zener diode (D2) has a Vzo of $$4.9$$ and an $$r_{z}$$ value of $$5 \mathrm{Ohm}$$. We would like to source $$25 \mathrm{~mA}$$ to a load at exactly $$5 \mathrm{~V}$$. What load resistance must we use, what zener current, I, will give us the $$5 \mathrm{~V}$$ needed and finally what $$\mathrm{R}$$ value will satisfy these requirements. (Remember to account for the voltage drop across DI and assume $$\mathrm{V}$$ ripple $$=0$$ ). d) We would like to reduce the ripple voltage to less than $$50 \mathrm{~m} \mathrm{~V}$$. What capacitance should we chose to meet this requirement? e) What is the load regulation and line regulation of the circuit?

We have an Answer from Expert

the total losses in a transformer
We have an Answer from Expert