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Can a 500mA transformer be used to operate a circuit requiring 1amp12w?
Wiki User
∙ 10y ago
No because that transformer can only supply a ½ amp so it would seriously overheat if a 1-amp load was connected to it.
Wiki User
∙ 10y ago
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What type of transformer will convert 120V-60HZ US into U.K.voltage?
The standard residential nominal voltage in the UK is 230 V (-6%/+10%). So, for the purpose of selecting a transformer, a 1:2 ratio, 120/240 V, transformer will be an appropriate choice.The capacity (volt ampere rating) of the transformer must match or exceed the power rating of the proposed load. You should be aware, though, that transformers will not change the frequency of the supply, only its voltage.Another thing to be considered is the transformer's country of manufacture and where you intend to use it. For example, if the transformer is manufactured in the US, then it will be designed to operate at a frequency of 60 Hz.On the other hand, if it is manufactured in Europe, then it will be designed to operate at 50 Hz.A transformer designed to operate at 60 Hz will overheatif it is operated at 50 Hz, whereas a transformer designed to operate at 50 Hz will operate without overheating if operated at 60 Hz.This means that you will be able to operate a European transformer in the US without any difficulty, but operating a US transformer in Europe will result in overheating -unless it is operated BELOW its rated primary/secondary voltage.So if you intend operating a US made transformer in Europe, then you should obtain a 1:2 ratio transformer, but one rated at, say, 240/480 V. This will then operate without overheating at 120/240 V.
What pushes the current around the circuit?
A voltage supply is needed to operate a circuit.
Do you have a circuit breaker which operates for one millon volts?
Circuit breakers operate on current not voltage.
Can you describe a situation where a series circuit could be used to operate an electrical device?
Every time that you turn on a light with a switch would be a situation where a series circuit could be used to operate an electrical device.
What is meant by ground fault?
The ground ('earth'), because of its mass, is a reasonably-good conductor and is used as a 'reference' for a distribution transformer's neutral terminal. A ground fault ('earth fault') occurs when the line conductor from the distribution transformer makes accidental contact directly with the ground ('earth'). The resulting low-resistance earth path back to the transformer's neutral is such that the resulting ground-fault current('earth-fault current') will operate the transformer's overcurrent protection device (e.g. fuse).
In D.C supply the transformer is not connected why?
In a DC power supply a transformer is connected. The only time there would be no transformer used would be if the DC voltage wanted was 120 VDC. The transformer in the power supply is connected to 120 VAC on the primary side and the secondary side of the transformer is connected to either a half wave or a full wave diode bridge. The voltage out of the diode bridge will be the same output voltage potential as the transformer's secondary voltage but it will be a DC (Direct Current) potential.Reading the question in another way, transformers are not connected in a DC circuit. The reason being is that the transformer operates on a collapsing magnetic field. This field induces a voltage into the secondary side of the transformer. Since the DC circuit does not operate on the principle of a collapsing field except when the circuit is opened, the transformer would not operate as a transformer should..
When transformer voltage regulation will be zero it operate at?
A transformer will operate with a voltage regulation of zero when it is not supplying a load.
Why will or won't a transformer operate on AC?
transformer will work on ac
Who will not operate on DC?
Transformer
What is the definition of audio-frequency transformer?
An audio frequency transformer is a transformer designed to operate in the range of frequencies audible to the average human. This range is generally accepted to be from 20 Hz to 20,000 Hz. The usual purpose of an audio transformer is to match impedances between circuit sections. For example: between a microphone and the input of an amplifier, (input transformer), or between the output of an amplifier and the loud speaker. (output transformer).
What will happen you f the rated power of transformer is changed?
You cannot 'change' the 'rated power' of a transformer except by changing the transformer for another one. You can, though, operate the transformer below its rated power or, for short periods of time, operate the transformer aboveits rated power.
Can 110v circuit power 240v devices?
You need a step-up transformer, to go from 110 to 220-240 volts. Then a 110 volt supply can operate 240 volt equipment.
Can transformer operate on triangular wave DC?
If its a triangular wave, its not DC, its AC, its just not sinusoidal. Can a transformer operate on triangular AC? Yes, but not as efficiently as on sinusoidal AC.
When voltage regulation will be zero it operate it?
A transformer will operate with a voltage regulation of zero when it is not supplying a load.
How you using ref relay in transformer?
an REF relay (restricted earth fault) is used to provide ground fault protection for a transformer. Its' operation is limited by CTs starred towards the transformer (usually on the transformer bushings or in breakers used to isolate the transformer), so it will only operate for transformer related faults. Because of this, it can be set to operate very quickly.
How long does the laptop battery operate under standard conditions before requiring a recharge?
It can operate upto 1 or 2 hours only, before requiring a recharge.
How did early circuit breakers operate?
Circuit breakers operate. is the operetion of the break of the circuit. FORMULA : f(x) = m x+b
