If a silicon diode is operating in forward bias in a circuit with 12 V supply and 240 Ω resistor, then what will be the voltage drop across the diode?
Question
If a silicon diode is operating in forward bias in a circuit with 12 V supply and 240 Ω resistor, then what will be the voltage drop across the diode?
Solution
To calculate the voltage drop across the silicon diode, we first need to understand that in forward bias, a silicon diode typically has a voltage drop of approximately 0.7V.
Step 1: Identify the voltage supply and the resistance. In this case, the voltage supply (Vs) is 12V and the resistance (R) is 240 Ω.
Step 2: Understand that the voltage drop across the diode (Vd) in forward bias is approximately 0.7V for a silicon diode.
Step 3: The voltage drop across the resistor (Vr) can be calculated by subtracting the voltage drop across the diode from the total supply voltage. So, Vr = Vs - Vd = 12V - 0.7V = 11.3V.
So, the voltage drop across the silicon diode when operating in forward bias in this circuit is approximately 0.7V.
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