Solving a Diode Circuit with Varying Resistances

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To solve the diode circuit problem, the current flowing through the diode can be calculated using the diode equation, which incorporates the reverse saturation current and ideality factor. At 290K, with a 200-ohm resistor and a 5V supply, the current can be determined by applying the appropriate formulas. When an 800-ohm resistor is placed in parallel with the diode, the total resistance decreases, leading to an increase in current flow through the diode. This change in current can be analyzed by recalculating the circuit parameters with the new configuration. Understanding these relationships is crucial for accurately determining the diode's behavior in varying resistance scenarios.
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Homework Statement


A diode with reverse saturation current of 1pA and an ideality factor of 1.15 is connected in series with a resistance of 200ohms and connected to a 5V DC supply voltage. Find the current flowing in the diode at a temperature of 290K? How does the current change when a 800ohm resistance is placed in parallel with the diode?

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The Attempt at a Solution

 
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Well you could start off by providing the equation for current flow I_D in a diode.
 

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