![]() ![]() In kilowatt-hours: 5 amps x 120 volts is only 600 watts, but since we used it twice as long, 600 watts X 2 hours still comes up 1.2 kilowatt-hours. Had we only lit up 5 of the bulbs, but for 2 hours, we would have used the same amount of power, even though we were using half the wattage. So, we’ve actually used 1.2 kilowatt- hours of power. So, if we used our bulbs for one hour, we would be using 1200 watts (1.2 kilowatts) multiplied by 1 hour. By definition, 1 kilowatt-hour is 1000 watts being used for 1 hour. It depends not only on how much wattage is being used, but also, how long it is used as to how much your electric bill is going to be affected. Now, in order to decide how much our electric bill for using the 10 bulbs would be, we must relate things to time. This can also be expressed as 1.2 kilowatts (1.2 x 1000 watts). You would then be using 10 amps of current (instead of 1 amp), but the voltage would still be 120 volts, so, you would now be using 10 times the wattage: 10 amps x 120 volts = 1200 watts. Now let’s say that you had 10 of the same type of bulbs plugged in at the same time. If we have an appliance, like a light bulb, that draws 1 ampere (amp) of current and is being supplied with 120 volts of force, the number of watts being used is 1 amp x 120 volts = 120 watts: power in watts is equal to the current in amps multiplied by voltage in volts. ![]() A kilowatt, is defined as 1000 watts of power, and the number of watts is defined as the current being used by the appliance multiplied by the voltage that supplies the current flow. It’s pretty simple to understand and I will use it to describe what goes on while charging the golf cart. Let’s start with the basic measure of electricity that your bill will be based on: the kilowatt-hour. However, even with all of these variables, some general conclusions can be drawn, as I will attempt to do in this post. There are different kinds of batteries on the market and several different kinds of chargers, and the cost of electricity varies from region to region. ![]()
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