Answer:
A resistor
Step-by-step explanation:
A diode is an electrical device that allows current to pass through it only in one direction. When a diode is forward biased, it allows current to flow through it in direction but when it is reverse biased, it stops current from flowing through it.
The maximum forward current is the maximum current allowed to flow through the diode when conducting in the forward bias condition. If the maximum forward current is exceeded, it leads to heat which causes damage to the diode.
A resistor is conducted in series to the forward biased diode to limit the current flowing through it thereby ensuring that the current is below the maximum forward current.