Shut up you fat monkey
A pencil would not have any effect on the brightness of a bulb. Pencils do not conduct electricity, so they would not change the flow of electricity to affect the bulb's brightness.
Increase the voltage supply.
We did this experiment in class, the more batteries added, the brighter the bulb will become!
The brightness of a standard bulb is directly proportional to the amount of voltage drop across the bulb itself. Thus, to increase the brightness :-Pass more current across the bulb by reducing the resistance of the circuitIncrease the voltage across the bulb, or the circuit. Change the supply.
The brightness of a bulb would not change if you added a second bulb in parallel with the first.Unless, of course, the increased current exceeded the power supply's capacity causing a reduction in voltage.
You alter the brightness of a bulb by changing the voltage or frequency that is applied to the bulb.
When you attach more batteries to a light bulb, it increases the voltage across the bulb, which leads to a higher current flowing through it. The increase in current causes the filament in the bulb to heat up more, resulting in increased brightness.
Yes, two batteries will make a light bulb brighter than one, provided that the batteries are placed in series. The brightness of the bulb is determined by the voltage, and placing two batteries in series rather than just using one increases the voltage.
The wattage of the light bulb is the main factor that affects its brightness. Higher wattage bulbs produce more light and therefore appear brighter. Other factors such as the type of bulb (incandescent, LED, etc.) and the quality of the bulb can also affect its brightness.
The relationship between voltage and brightness of a bulb is directly proportional. As voltage increases, the brightness of the bulb increases because higher voltage provides more energy for the bulb to emit light. Conversely, decreasing voltage reduces the brightness of the bulb.
because the pencil take the a litte enrgy.