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# Answer to Question #164124 in Electrical Engineering for oday

Question #164124

An a.c. voltage  of peak value 20 V is connected  in series with  a silicon diode  and load resistance  of 500  O. If the forward  resistance  of the diode  is

10 0, then the peak current  through

:the diode  is

37.8 mA  0

39.8 mA  0

35.7 mA  0

36.5 mA  0

1
2021-03-01T02:10:17-0500

Three elements of the electrical circuit are connected in series, so the current flowing through each element will be the same. In a silicon diode operating at its rated currents, the voltage drop is about 0.7 volts. The total resistance of the electrical circuit is 500 ohms + 10 ohms = 510 ohms. According to Ohm's law, the current will be

"I=\\frac {20V-0.7V} {500\\Omega+10\\Omega}\\approx0.037843A\\approx37.8mA"

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