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An ampere is a measure of current. A watt is a measure of power. It's kind of like asking how many feet are in a pound. Current can be calculated from power. You need to know an associated voltage or an associated resistance then you can use these fundamental relationships: Voltage = Current * Resisitance (V = I * R) and Power = Current * Voltage (P = I * V). Manipulating these two gives another useful relationship: P = I^2 * R. So there are two ways to relate Power and Current; 1) through Resistance and 2) through Voltage. In this situation, if you know the Resistance then Current equals square root (5 watts/R). If you know the Voltage then the Current equals 5 watts/V.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoVolts and amps measure different aspects of an electrical current and cannot be compared.
However if you know two of the following three items you can calculate the third.
Watts. Volts. Amps.
The formula is; V x A = W
Wiki User
∙ 14y agoThe formula you are looking for is I = W/E. Amps = 500/Volts. Need to know what the voltage is before an answer for amperage can be given.
Wiki User
∙ 12y ago500
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How many watts of electric on a 13 amp fuse 240 volts?
You need the formula: Amps * Volts = Watts But you get to do the math.
How many watts for a 15 amp fuse?
That depends on the voltage you use. If there are 120 volts, the power equals voltage times amperage. 120 volts times 15 amps = 1800 watts. Cheers ebs
How many watts does my 12 volt 2 amp battery charger draw?
Volts * Amps = Watts 12 Volt * 2 amp = 24 Watts
If you have a 30 amp breaker how many watts can it use?
To answer this question a voltage must be given. Watts = Amps x Volts. <<>> Answer At 115 volts ac, 30 amps equals 3,450 watts.
How many watts is a Kenwood KAC-744 amp?
744
How many watts can a 70 amp circuit support?
That depends on the voltage.
What amp fuse does a kettle take?
In the YUK an electric kettle has a 13 amp fuse., together with a 250 voltage. However, in the USA the voltage is lower and so ther fuse amperage may be different.
How many watts is a 240 volt 20 amp fuse rated for with 12 gauge wire?
4800
How many watts of electric on a 13 amp fuse 240 volts?
You need the formula: Amps * Volts = Watts But you get to do the math.
How many watts for a 15 amp fuse?
That depends on the voltage you use. If there are 120 volts, the power equals voltage times amperage. 120 volts times 15 amps = 1800 watts. Cheers ebs
Will a 5000 watt amp wiring kit work well on a 1600 watt amp?
Yes I do not see why not as long as the in line fuse does not exceed the power the amp is pulling. You want the fuse to blow instead of the amp so you need a fuse that can only handle 1600 watts or the equivalent to....
WHAT IS A 13 AMP COOKER?
Plugs for appliances rated between about 700 watts and 3000 watts (the maximum rating of a wall socket) should be fitted with a 13-amp fuse (coloured brown).
How many watts does my 12 volt 2 amp battery charger draw?
Volts * Amps = Watts 12 Volt * 2 amp = 24 Watts
How many watts is a Kenwood KAC-744 amp?
744
How many watts is a alpine v12 mrv-t501 amp?
600 watts
If you have a 30 amp breaker how many watts can it use?
To answer this question a voltage must be given. Watts = Amps x Volts. <<>> Answer At 115 volts ac, 30 amps equals 3,450 watts.
How many watts is an Orion cs 100.2 amp?
The formula for watts is, Watts = Amps x Volts.
