How many watts are in 13 amps?

Answer 1

Excellent question. That depends on the voltage, for 120 VAC, the answer is 156 watts. PIE, Power (in watts) = current (amps) X Voltage . For 12 VDC, 15.6 watts. An interesting asside, if you ohms check a 120 watt (should draw 1 amp) incandesent light bulb, it will read much less than you would expect (120 ohms). Turns out, the filament at room temp is much more conductive.

Answer 2

You can't convert that, since they measure different things (watts for power, amperes for current).They are related as follows:

power = current x voltage x power factor

In units:

watts = amperes x volts x power factor

For DC, you can ignore the power factor. For AC, you can often ignore the power factor as well, at least as a first approximation.

Answer 3

None. You need both current & voltage.

Answer 4

To convert amps to watts, you need to know the voltage. Assuming a standard voltage of 120V, you would multiply 13A by 120V to get 1560 watts.

Answer 5

144