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Is the voltage rating on a light bulb the rms value or peak value?
Wiki User
∙ 15y ago
It's the RMS value. A 120 volt lamp (light bulb) is rated according to its RMS voltage. Just like appliances in the home are rated at 120 volts (like your fridge, microwave and toaster), or 220 volts (like your clothes dryer). Note that these appliances will have to stand up to the peak voltage on the AC line. Naturally. And the peak voltage on an AC line is 1.414 times the RMS value of voltage. That means in a 120 volt AC line (120 volts RMS), the peak value of the voltage will be 1.414 times the 120 volts, or right at about 170 voltspeak for each cycle.
Wiki User
∙ 15y ago
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What happens when a light bulb is connected to the output coil of the transformer?
Assuming that the voltage rating of the lamp matches the rated secondary voltage of the transformer, the lamp will operate at its rated power.
Why is there zero current when a light bulb burns out?
there is no voltage and resistance
Will a 12 volt light plug into a standard wall outlet?
No, it will cause the bulb to blow. A 12 volt light is DC voltage and your home outlet is AC voltage.
When the bulb is the resistance what this tells about the resistance?
An incandescent bulb has a filament that has a resistance. The value of the resistance determines the current that will flow for a given supply voltage. The heat generated by the current flowing through the filament gives off light. As the resistance of the filament decreases the current increases and you get more light.
Can a light bulb work on a DC voltage?
It can, but if you're wanting to run a 120v light bulb on DC, you'll need 120v DC to get the rated output. That's a lot of batteries. It's easier, and more sensible, to find a DC rated light bulb, such as an RV bulb.
How many batteries does it take to burnout a light bulb?
Enough so that the total voltage exceeds the voltage rating of the lightbulb.
How many amps in a low voltage light bulb?
Look on the light bulb for the voltage and the power in watts. Then divide the watts by the voltage and that gives the amps. Some CFL bulbs also state the current as well as the voltage and power, which is because they can have a poor power factor.
How long can a battery power a 44 watt light bulb?
To answer this question the amp hour rating of the battery is needed along with the voltage of the battery or bulb.
Can you run a 60 watt light bulb on a 300 volt wire?
If your light bulb voltage rating is under 300 volts then yes it can use 300 volt wire. The voltage rating of the wire is the maximum voltage that the wire can safely carry. The three common insulation groups is 300 volts, 600 volts and 1000 volts.
How long will a 1 watt bulb operate on a 1 amp hour battery?
Please give the voltage and Ah rating of the battery and voltage rating of bulb.
Can you replace a 40v light bulb with a 25v one?
No, it is not recommended to replace a 40v light bulb with a 25v one. The voltage rating of the bulb should match with the voltage of the electrical circuit to ensure proper operation and prevent damage. Using a bulb with a lower voltage rating can cause it to burn out quickly or potentially create a safety hazard.
What happens when a light bulb is connected to the output coil of the transformer?
Assuming that the voltage rating of the lamp matches the rated secondary voltage of the transformer, the lamp will operate at its rated power.
Why does a light bulb light in a closed circuit?
A bulb does not light up if there is no voltage available across the bulb, or if the bulb is burned out.
Could a light at 110 voltage be used in UK?
The light bulb will probably burn out, if the fuse of the lamp does not burn out first. On the other hand, a lamp with 240V rating can still be used in the USA, but the light will be about half as bright for the same light bulb.
What is the difference in 130v and 120 volt light bulb?
Not a lot. The rating is to denote the voltage the bulb is designed for. The higher rating just says it will handle voltage that high so you have a bit more flexibility if your voltage fluctuates.
How many volts does it take to power a big light bulb?
For lighting up a city you need 120 volts in the USA and 230 volts in Europe. It's just the usual voltage the light bulbs are needing.
When a light bulb is rated for 3.2 V does that mean that is the maximum operating voltage OR the minimum operating voltage OR or the optimum operating voltage?
When a light bulb is rated for 3.2 V it means that it is the maximum operating voltage to be applied to the bulb.
