Explanation

The filament resistance of a bulb is the resistance of the thin wire inside the bulb that glows to produce light. You can calculate the filament resistance of a bulb by using Ohm's Law, which states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to the resistance.

Ohm's Law can be represented by the equation: V = I x R

Where V is the voltage, I is the current, and R is the resistance.

To calculate the filament resistance of a 6 volt bulb that draws a current of 0.5 Amps, you can use this formula: R = V/I

Given that the voltage (V) is 6 Volts and the current (I) is 0.5 Amperes R = 6 / 0.5 R = 12 Ohms

So, the filament resistance of the bulb is 12 Ohm