Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to calculate wattage [title] Determine the watts in a power source. [step] You will need to know the amps and the volts in the power source. To determine the wattage, use a simple multiplication formula.

Ending1: The ampere (or amps) is the amount of electricity used. Voltage measures the force or pressure of the electricity. Ending2: Decide if you can afford this form of efficacy. Choose a multiplication that dates back when the power source was used. Ending3: [substeps] Multiply 22.4 by x 0.0395. Use a multiplication formula for the maximum wattage. Ending4: Multiplication formulas vary depending on how many watts in a power source (use the equation above), but generally the wattage will be around 40-100 volts. You can find a power source calculator on the internet, or ask your dentist or dentist for one.

Answer format: ending1/ending2/ending3/ending4