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To find the watts of electrical power in an electrical circuit?
Wiki User
∙ 13y ago
Power = Voltage*Current. Multiply the current and the voltage. Keep your units in mind. If your voltage is Volts, and your current is in Amps, your power will be in Watts. If you are using milliamps, your power will be in milliwatts. You can also use P=I2*R. The current squared, mulitplied by the resistance of the circuit. Or P=V2/R, the voltage squared divided by the resistance of the circuit. The last two of these can be derived from the basic equation V=I*R and P=V*I. Here's a little helper for you too. "Twinkle twinkle little star, power equals I squared R".
Wiki User
∙ 13y ago
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Rate at which electrical energy is converted to another type of energy?
The rate at which an appliance takes energy from the electrical outlet and spinsthe electric meter is the "power" shown on the data label, usually on the backor the bottom of the appliance.The rate at which it actually converts the energy into the form required to do itsjob is also a "power" figure. This one is always less than the power taken fromthe wall outlet, and is not always stated or marked on the appliance.A couple of cases where it is clearly stated:-- Microwave Oven: " 600 Watts of Cooking Power "The microwave oven is using perhaps 1,500 to 2,000 watts from the electric company,converting some of it into radio waves (with less than 100% efficiency), and delivering600 watts of microwave radiation to the cooking chamber.-- Blow Drier: " 1,250 Watts of Drying Power "The blow drier is using perhaps 1,500 watts from the electric company, anddelivering useful energy at the rate of 1,250 watts, in form of a hot coil anda strong little fan motor to blow air across the coil.But on an electric stove, furnace, blender, food processor, fan, telephone, TV,computer, vacuum, washer, dryer, etc., you can find the power consumptionmarked somewhere on it, but it's not clear exactly where that power goes.
How many amps does 6000 watts pull?
There are zero amps in 6600 watts. Watts are the product of amps times volts. W = A x V. To find amperage use the following equation, A = W/V, so as you can see a voltage value is needed in the equation to result in an amperage.
How do you protect two power in one circuit?
If the question means "two loads in one circuit" then the load currents have to be added together. The breaker that protects the circuit is sized for the total loading of the circuit. These two loads of course will be in parallel with each other. Find the wattage of the two loads if the amperage is not available. The equation is W = A x V. Watts = Amps x Volts. Once the total amperage of the circuit is found select the correct wire size for that amperage. The breaker protects the wire size so then select the proper breaker for that wire size.
How can you determine how much power a circuit will generate if you know the voltage and resistance?
Ohms law provides the formula to determine any of the three components in a circuit voltage=E Resistance=R and Current=I so with any two you can figure out the third:I=E/RE=IxRR=E/ISo to find I use I=E/R so you divide the resistance into the voltage and you have the current(in amps) or power.Power can be found using the equation: power = (voltage)2 / resistance.The Equation is PIE where P is power in watts. I is current in amps. E is voltage in volts. P equals I times E. 240 watts is created with 120 volts and 2 amps of current
How do circuit breaker keep the wires in a electrical circuit from overheating?
A circuit breaker is designed to 'break' in a circuit if a short circuit (or other malfunction) occurs. This prevents overheating (or burn-out) of the circuit wires. In older systems, you would need to find which fuse wire has fused and replace it. In a circuit breaker, once the fault has been found and corrected, the breaker is simply switched back on.
What is the formula to find watts?
There are several ways to find watts; volts x amps = watts or resistance (ohms) divided by amps squared or volts squared divided by amps. You can search for Ohm's Law to find examples of these different methods and sample calculations.
How do you find power in a circuit?
Power in a circuit can be calculated by multiplying the voltage (V) across a component by the current (I) flowing through it. The formula for power is: P = V x I. It is measured in watts (W).
Where can you find the power rating of an electrical appliance?
You can find the power rating of an electrical appliance usually on a label or nameplate attached to the appliance. It might also be in the instruction manual that comes with the appliance. The power rating is typically measured in watts (W).
How many watts in 10 amps?
To calculate watts, you can multiply the amperage by the voltage (Watts = Amps x Volts). If we assume a standard voltage of 120 volts in a household circuit, then 10 amps would be equal to 1200 watts (10 amps x 120 volts).
How do you find the current draw of an electrical circuit if you do not know the voltage and wattage of the device?
Basically if you know the Voltage supply and the power used by an appliance then you use the formula for power which is Power = Volts x Amps. Rearrange so Amps (current) = Power / Volts If power was 2400 Watts and Volts was 240 the Current would be 2400 / 240 = 10 Amps
What total ampere in 736watts used in 8 hours?
You cannot find ampere from watts (power) and time, alone. To find amperes (electrical current) from power, you also need to know the voltage, then:Current = (Power) / (voltage), or Amperes = Watts / Volts.You can get energy (measured in kilowatt-hour) from the information you have:736 watts is 0.736 kW, then multiply by 8 hr to get 5.888 kWh
How much wattage is available in a 15amp breaker?
A 15-amp breaker can handle a maximum load of 1800 watts (15 amps x 120 volts). However, it is recommended to only load a circuit up to 80% of its capacity, so in practice, you should only use up to 1440 watts on a 15-amp breaker.
75 percent is equal to how many watt's?
To convert a percentage to watts, you need more information. Watts is a unit of power, and percentages are not directly convertible to watts without knowing the total power or another related quantity.
How many watts in 6V?
None by itself. Watts are measurement of power, and power is volts times amperes. Secondly, the 6 volts must be in an electrical circuit (loop) to create current flow (Amps). Thirdly, the resistance of whatever the 6 volts is powering determines current flow (Amps). So, without knowing the current flow, you cannot calculate power. Fourth, power (Watts, horsepower, ergs, chevals vapeur, etc) is a measurement taken over a certain time - it is not instantly measureable with an inexpensive meter like a voltmeter or an ammeter (Amp-meter).
You can multiply electrical power times time to find?
Power = Work done (Energy) / time Power x time = Energy. ____________________________ Electrical power = VI ( I = Q/t) E.power x time = Voltage x Charge basicly what this writer is saying is that when you multiply power by time, you get energy which is correct. this makes sense since power is the time derivitive of energy
How many volts are in 15 watts?
That would depend on how many amps are drawn at 1.5V. A watt is a measure of power. Electrical power is determined by electrical potential (voltage) and electron flow (current). Power = Voltage * Current To find your answer, you need to know the current consumption of your load to know how many watts it is consuming. If you are trying to figure out how many watts can be provided from a source, say from a 1.5V battery, you would need to know the current output of the battery (which is usually provided in Ah, which tells you how many amps it can produce in one hour).
How many volts in 1.5 watts?
That would depend on how many amps are drawn at 1.5V. A watt is a measure of power. Electrical power is determined by electrical potential (voltage) and electron flow (current). Power = Voltage * Current To find your answer, you need to know the current consumption of your load to know how many watts it is consuming. If you are trying to figure out how many watts can be provided from a source, say from a 1.5V battery, you would need to know the current output of the battery (which is usually provided in Ah, which tells you how many amps it can produce in one hour).
