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Power is the rate of energy transfer.
Since a power station require energy source to generate electrical power and as the engine horse power would first required combustion of fuel, it is energy that give power.
Answer: power is the rate at which energy is converted. So a 100 watt light used for 2 hours would use the same energy as a 200 watt light for 1 hour.
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∙ 12y agoenergy
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What does power line carry voltage or current?
It carries a current at the set voltage of the line. Current is the actual electricity that flows along the line and is used up in your electric appliances whereas voltage is the difference between the energy being generated at the station and ground.AnswerIt carries both voltage and current. Voltage exists between each line conductor, and current flows through each line conductor.
What is the electricity generated by magnetism?
Electricity produced by magnetism is called induced voltage. It is by induction, the passage of a magnetic field across a conductor, that a voltage will be induced ("caused" or "made to happen") in that conductor.
Which condition refers to a sudden and dramatic increase in voltage which usually caused by lightning?
Surge voltage, voltage step, voltage spike
What are some alternatives of using fossil fuels for energy?
Wind Energy,Hydro Power, Geothermal Energy, Solar Energy.
When the voltage applied to the rheostat is doubled then tripled what happens to the rheostat?
The heat released by the rheostat with double the voltage will quadruple. When voltage is tripled, the power loss is 32 or 9 times that before. A rheostat is a kind of variable resistor. Since E = IR (voltage equals current times resistance), then I = E/R (current equals voltage divided by resistance). If the voltage is doubled and the resistance stays the same, then--you can see by the formula--the current would double. Now, power dissipated by a resistor is related to the product of the current and voltage (P = IE). But since a doubling of voltage produces also a doubling of current, double the current results in 2X2=4 times the power (heat) loss.
Can the amount of energy carried by a power line be increased by raising voltage?
Yes, by increasing the voltage in a power line, the amount of energy carried can be increased. This is because power (P) is the product of voltage (V) and current (I), and increasing the voltage while keeping the current constant will result in higher power carrying capacity. However, it is important to consider the limitations of the equipment and the safety considerations when increasing voltage levels.
Can you calculate power by multiplying voltage and current?
Not enough information. Power = current x voltage. Since voltage can be anything, there is no way to calculate power. Time is irrelevant; though once you have the power, it can help you calculate energy (energy = power x time).
What is the electrical voltage are supplied by the power supply on your system?
The electric voltage are energy to my system.
How does electricity energy produced?
Power is calculate by the formula P = IV (current x voltage); energy of course is power x time, so you have energy = IVt (currnt x voltage x time).
How much energy does electricity produce?
Power is calculate by the formula P = IV (current x voltage); energy of course is power x time, so you have energy = IVt (currnt x voltage x time).
What provides energy to circuit?
One possibility for what affects the voltage, is how many light bulbs, motors etc you have in the circuit causing the energy ( voltage ) to be shared.
What is the role of voltage in an electrical circuit?
Voltage is related to energy by charge. Power equals voltage times current (amperes), and energy equals voltage times charge (coulombs).An ampere is 1 coulomb of charge moving per second.A watt (power) is 1 joule of work done (or energy transferred) per second.
How many AH equals to 1KVA?
You really can't compare that. * Ampere-hour is a unit of energy. If you multiply ampere x hours x voltage (the voltage is implied), you get energy. * kVA is a unit of power. Note that power is energy / time.
How do yo calculate electric power and energy use?
Power = voltage x current Number of power in volts
How does voltage and current work together to produce power?
That depends on the exact circumstances. For example, in electrical circuits, power = I2R. However, since the current, in turn, depends on the voltage and the resistance, it is better to express this as V2/R. For mechanical energy, power is basically speed times force.
What are short fast transfers of electrical voltage current or energy?
Power Spikes
Why is energy lost in power transmission lines?
Increase the voltage in the lines.
