To answer this question, you need to understand the concept of the forward voltage drop in a diode.
A diode is a semiconductor device that allows current to flow in one direction while blocking it in the opposite direction. When a diode is forward-biased (positive voltage applied to the anode and negative voltage applied to the cathode), it allows current to flow through it. However, there is a minimum voltage required to overcome the barrier and allow current to flow. This voltage is called the forward voltage drop.
For a silicon diode, the typical conduction voltage is around 0.7 V. This means that when a silicon diode is forward-biased, the voltage across it needs to be at least 0.7 V for current to start flowing.
Let's go through each option to understand why it is correct or incorrect:
Option A) 0.25 V - This option is incorrect because the typical conduction voltage for a silicon diode is higher than 0.25 V.
Option B) 0.5 V - This option is incorrect because the typical conduction voltage for a silicon diode is higher than 0.5 V.
Option C) 0.7 V - This option is correct because the typical conduction voltage for a silicon diode is around 0.7 V.
Option D) 1.1 V - This option is incorrect because the typical conduction voltage for a silicon diode is lower than 1.1 V.
The correct answer is option C) 0.7 V. This option is correct because it represents the typical conduction voltage for a silicon diode.