Created by StemPy LabA student joins a V Zener diode directly across a V battery, in reverse bias, with no series resistor. The battery has a very small internal resistance. What happens?
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← An indicator lamp on a panel is one LED, which glows well at 20 mA. When it conducts, there is 2.7 V across it. The panel has a 15 V line. What resistor in series with the LED sets the current at its working value?A caravan carries a flat panel of 0.45 m² on its roof. On a hazy day the sunlight that reaches the roof is 750 W/m², and the panel turns 17 % of the light power into electrical power. How many watt does the panel give? →
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