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What is the power draw for a 25 watt low voltage system?
A maximum of 25 watts. On the line side that would be 25w/110 or about 227 milliamps; on the low voltage side, say 12 volts, it would be 25W/12v or 12.5 amps.
What is the recommended maximum safe voltage for outdoor uses in Europe?
In Norway it is 230 Volts, 16-25 amp, 60 Hz, grounded In rest of Europe it is 110 Volts 10-15 amps, 50 Hz, probably grounded too.
What would the resistance be if there were a current flowing of 5 A in a V circuit?
10 volts divided by 30 ohms is 0.33333 amperes. 10 volts times 0.33333 amperes is 3.3333 watts. Note: Resistance is dependent on temperature. 3 watts is enough power to raise the temperature enough to affect the resistance, changing the results.
How can a 110 volt table saw be rated 4 horsepower at 15 amps?
it cant someone in marketing is lying Regarding any electrical equipment, especially motors, 746 watts or volt-amps is 1 horsepower. If your table saw is rated 4 horsepower, that would be 2984 volt-amps and at 110 volts that calculates to 27 amps. The above answer is correct. At 110 volts you cannot run a 4 horsepower motor on a 15 amp circuit. <<>> The above theoretical answer is correct however you should allow extra for efficiency less than 100% and a power factor less than 1, so the current requirement should be increased by 25% to 34 amps. <<>>The rule of thumb for motors at 240 v is 7 amps per HP, which would be 28 amps for 4 HP, but because the voltage is less the current must be more, 28x240/110 which is 61 amps.
What size of circuit breaker do you use for 25amperes induction motor?
Read the specification plate on the motor to determine the amount of current that the motor uses, as well as the voltage and phase. Most likely, it will be a 3 phase motor, so you can't simply connect it to your house wiring, but without sufficient information, it is impossible to tell you all of the specifics. <<>> The code book rates the amperage of a three phase 40 HP motor by different voltages. at 200 volts - 120 amps, 230 volts - 104 amps, 460 volts - 52 amps and 575 volts - 52 amps. A breaker for a motor has to be sized to 250% of the motors full load amps. Also the wire size for a motor has to be 125% of the motor full load amps.
How many amps are in 280 watts with 120 volts?
W = Amps times Volts. A = W/V, A = 300/120 = 2.5 amps
How many amps does 3000 watts pull?
Using the equation Volts X Amps = Watts, you can take 3000 watts / Volts to get your answer: 3000W/240V = 12.5A or 3000W/120V = 25A So, at 240 volts you will use 12.5 amps for 3000 watts of power. Or at 120 volts you will use 25 watts.
How many amps does a 18000 watt generator supply at 240 volts?
75 Amps theoretically Need to know if the generator is 3 phase or single phase.
What would be the R of a circuit if E 60 volts and I 25 amps?
Ohm's Law E = I x R R = E/I = 60/25
How many amps is 5600 watts at 240 volts?
I=V/R In words, Amps equals power divided by voltage. So you need to know voltage. Assuming 120 volts, Amps=5600/120=46.7
How many amps does a hair dryer use with 25 volts 60 hz and 1500 watts?
Amps = Watts / (Volts x Power Factor). Now a hair dryer has a motor and a resistive heater so if we assume a PF = .8 the answer is: 1500 / 20 = 75 amps. Since it is unlikely that you have a 75 amp hair dryer you must mean 125 volts. The answer for that would be 1500 / 100 = 15 amps which is still high, but believable. If we assume a Power Factor of 1 and ignore the motor contribution to Power Factor we have 1500 / 125 = 12 amps.
HoW many amp is 300 watts?
As asked, the question cannot be answered. At 1 volt, 300 Watts = 300 Amps. At 10 volts, 300 Watts = 30 Amps. At 100 volts, 300 Watts = 3 Amps. At 120 volts, 300 Watts = 2.5 Amps. At 240 volts, 300 Watts = 1.25 Amps. To calculate the relationship between Amps, Volts and Watts, use the formula: Watts = Amps * volts
Do you check a battery's charge using volts or amps?
Volts. 12.6 volts = Full Charge 12.4 volts = 75% Charge 12.2 volts = 50% Charge 12.2 volts = 25% Charge
How many amps do 12v 25w light use?
well the equation for amps is a= watts/volts so 25/12= 2.0833333333amps
25 amps is how many kw?
Amps is a measurement of current. Watts (or kilowatts) is a measure of power. To get the power from the current, you have to know the electrical potential or volts used to produce the current. Amps × Volts = Watts (or Current × Electrical Potential = Power). Incidentally, a kilowatt is 1000 watts, so you'll have to divide your answer by 1000. e.g. if your volts is 40, then 25 amps × 40 volts = 1000 watts. 1000 watts (divided by 1000) is 1kw or kilowatt.
How many amps is 3000 watts?
To calculate the amperage for a given wattage, you would also need the voltage of the circuit. However, if we assume standard 120V household voltage, then 3000 watts would be equivalent to 25 amps (3000 watts / 120 volts = 25 amps).
How many amps is 8500 watts generator?
To find the amperage of a generator, you can use the formula: Amps = Watts / Volts. Assuming a standard voltage of 120V for household generators, you can calculate the amperage as: 8500 Watts / 120 Volts = 70.83 Amps.
