20 amps equals how many watts
[DOC File]SUBELEMENT 6A - GENERAL - [100 EXAM QUESTIONS]
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20) Using the input voltage of 90 Volts, DC, calculate the power dissipated by each resistor. Add them to determine the total power dissipated. 21) Knowing that the power supply must deliver all the dissipated power, determine the supply current, Is.
Electricity for Refrigeration, Heating and Air ...
, named after James Watt, in units that represent ‘energy per unit time.’ The more working getting done or the more quickly the work is getting done, the more watts required. The unit is defined as the rate at which work is done when 1.0 amp of current flows through an electrical potential difference of 1.0 volt.
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A 20 ohm resistor with a current of 0.25 A passing through it will dissipate how many watts? A.10 watts. B.20 watts. C.0.025 watts. D.1.25 watts. ... It equals the DC voltage at the input to the plus the peak AC voltage applied during the nonconducting portion of the cycle of operation of the tube: ... A.P = watts x amps. B.P = amps. squared x ...
FAQ: How many watts can 20 amps handle?
You are trying to figure out how many amps are running through a system. You are given the following formula: Volts (V) divided by resistance (ohms) equals current (amps). If you have 7 mV power source and resistor with 240 ohms, what is your current in amps? I volt equals 1000 millivolts (mV).
[DOC File]1
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One thousand watts used for 1 hour equals 1 kilowatthour. All electric meters used to measure the consumption of electricity record consumption in kilowatthours. Heating and air-conditioning technicians are often required to make a calculation for the output of an electric heater in Btu’s rather than in watts.
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