When a semiconductor diode is forward biased, what happens to the resistance of the diode?

When a semiconductor diode is forward biased, what happens to the resistance of the diode?

  1. The resistance increases.
  2. The resistance decreases. ✓
  3. The resistance remains constant.
  4. The resistance can either increase or decrease, depending on the doping level of the diode.

Explanation

This physics concept involves analyzing the given values and applying relevant formulas. Work through the problem step by step using known equations and constants.

Identify what quantity needs to be found and which formula connects the given information to the answer. Substitute the values carefully, paying attention to units.

Check that your calculated answer matches one of the options provided. Understanding the underlying principle helps verify the solution makes physical sense.