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Study the figure below and use it to answer questions that follow.

Study the figure below and use it to answer questions that follow.

(i) Briefly explain how the circuit works to produce a rectified alternating current.
(ii) Draw on the diagram to show the position of the capacitor.
(iii) State the functions of the capacitor in the circuit.
(iv) Sketch the graph of the output as seen on a CRO screen.

Answers

i)- During the first half cycle D1 is forward biased while D2 is reverse biased.
- The path taken by current is D1, Y R Z.
- During the next half-cycle D2 is forward biased while D1 is reverse biased and the path of the current is Q D2 Y R Z.
- During both cycles, current flows through the resistor in the same direction.
ii).
(iii) Smoothen the output signal.

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sharon kalunda answered the question on September 27, 2019 at 10:21

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