0
if light is low it can cuase the bulb brightnees.
Wiki User
∙ 10y ago
Wiki User
∙ 11y agoit is magic
Add your answer:
Earn +20 pts
How are light bulbs efficiency increased?
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.
If the filament of the bulb is broken would the circuit be complete?
If the bulb's filament is broken, the whole circuit becomes open. If the bulb is in a series circuit or is the only bulb, the electricity would no longer flow. If the bulb is in a parallel circuit, along with other bulbs, then only the blown bulb would go out, and the other bulbs would still work.
How are light bulbs measured?
Brightness of a light bulb depends on the power, current, resistance and size of the filament. Lumens is the unit of measurement for the brightness of a bulb. A bulb has more brightness if there is more power and current. Greater the resistance, less is the brightness.
What are the defects if the bulb didn't glow?
Feeder circuit voltage has been turned off, internal circuit fuse could be blown or filament in bulb burned out.
What piece of electrical apparatus is used to change the brightness of a light bulb?
That is called a rheostat or a dimmer.
How does the brightness of each bulb in a parallel circuit compare to the brightness of the bulb in a series circuit?
u see the light bulbs on a series circuit's brightness evolves and the brightness on a parallel's circuit dont
How do we decrease the brightness of a bulb?
If the bulb is of the incandescent variety, then reducing the current in the circuit will do this.
The current is 0.4 A and the bulb in the circuit is bright. What will happen to the brightness of the bulb if you put another bulb in series in the circuit?
ANSWER: The brightness of both bulbs will decrease. If the bulbs are identical the current will decrease to 0.2 Amps. This is a simple series resistive circuit, the more bulbs you add in series both the amperage and bulb brightness will continue to go down.
If the electrical conductivity in an electrical circuit decreases then the brightness of the light bulb does what?
Then the brightness of the light buld increases.
What is the factor that affects the brightness of the bulb?
number and voltage of the cells in the circuit resistance of each bulb
What happens to the brightness of the bulb when the second bulb is put into a series circuit?
it should become dimmer
How does the brightness of each bulb in a parallel circuit compare to the brightness of the bulb in a simple circuit?
The brightness of each bulb in a parallel circuit is the same as the brightness of a bulb in a simple circuit. By Kirchoff's voltage law, each element of a parallel circuit has the same voltage drop across it. With the same voltage, the same type of bulb will dissipate the same power, and have the same brightness.
Does adding more wires affect the brightness of the bulb?
NO
How does the amount of magents and wire affect the brightness of a light bulb?
The brightness of a light bulb directly has no direct relationship with magnets and wire. The bulbs brightness is determined by the wattage of the bulb. The higher the wattage of the bulb the brighter the bulbs light output.
Is instrument brightness a fuse or bulb?
Instrument brightness is controlled by a rheostat that feeds the instrument illumination bulbs, that circuit is also protected by a fuse.
When three bulbs connected to a battery in parallel circuit what will happen to the brightness of the bulbs?
The brightness of three bulb would be mare than one
Does anything happen to the brightness of the bulb when you add an extra battery to a simple circuit?
We did this experiment in class, the more batteries added, the brighter the bulb will become!
