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Does current stay the same when voltage changes with converter?
Wiki User
∙ 12y ago
No. Power stays the same. Power is voltage times current. So, if voltage is doubles, current has be halved, less efficiency losses.
Wiki User
∙ 12y ago
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Is the resistance of a resistor the same as voltage changes?
Yes and no. As voltage changes, current changes, causing power to change, with the end result that temperature changes. Most resistors have a small temperature coefficient, so their resistance will change slightly as the voltage changes.
What happens to voltage and current in series circuits?
Kirchoff's voltage law states that the signed sums of the voltage drops in a series circuit add up to zero.Kirchoff's current law states that the current everywhere in a series circuit is the same, more specifically, that the signed sums of the currents entering a node is zero.
How the current in a circuit changes if the voltage in the circuit is decreased and the resistance remains the same?
If the ratio of voltage to current is constant, then the circuit is obeying Ohm's Law. If the ratio changes for variations in voltage, then the circuit does not obey Ohm's Law.
If voltage changes in a ac circuit what happens to current?
Voltage attempts to make a current flow, and current will flow if the circuit is complete. It is possible to have voltage without current, but current cannot flow without voltage. The answer is "yes",voltage remains the same as current moves through the circuit.As the voltage remains constant, current increases in the circuit.
when voltage increases and currents stays the same what happens to wattage?
Power = voltage * current * cos (power factor); So if voltage increases, and current stays unchanged, power usage will also increase in proportion. A: Power is a factor of voltage and current therefore the power will increase if one or both are increased
How can in series connection current remain constant while the voltage change while by ohm's law voltage is directly proportional to current?
If the voltage between the ends of a series circuit changes, the current in thecircuit definitely does not remain constant. The current does change by the samefactor as the voltage.The current at every point in the series circuit is the same current.
How do you transform transformers?
Open the equipment, unsolder the connections to the transformer, remove the fastenings and remove it. Order a new on on ebay, when it arrives unpack it carefully, place it in the equipment, fasten it in, and resolder the connections. Simple! - (Historikeren 13-07-2014)
What happens to the current in a device if the resistance of the device increases and the voltage difference stays the same?
If resistance increases and voltage stays the same, then current decreases. Ohm's Law: Current equals Voltage divided by Resistance.
If transformer current 250 amp at 60Hz what will be its current at 50Hz?
Current = voltage x resistance. Therefore the current will be the same, assuming both frequencies are the same input voltage.
Can the amperage of a DC current be increased keeping the voltage constant?
According to Ohms law, current will increase in proportion to the voltage increase. Ohms law is an equation:Voltage = current x resistance.If the resistance stays the same, any increase in voltage must mean a proportional increase in current according to this equation.
Effects on current if resitance is double?
Ohm'sLaw states Voltage = Current x Resistance. Therefore, for the same voltage if you have 2 x R, you must have 1/2 x Current to get the same voltage.
What happens with electric current when applying the same voltage the resistance of the circuit is reduced?
As the resistance is reduced across the same voltage, the current increases.
