In addition to classes, students will also need to complete hands-on work in dental practice labs and shadow a professional for a set number of hours to complete their degree program. A bachelor's degree in dental hygiene will be more than sufficient for a position as a dental assistant.he education requirements for dental assistants vary by state. In some states, dentists may hire untrained individuals and teach them the tasks of the dental assistant. Other states require assistants to complete a formal training program.
Amp Hours (AH) - The volume of electricity, capacity. A batteryâs storage capacity is measured in amps or amp (ampere) hours. One amp equals one hour of use without recharging-or, in practical terms, how long you can use power on a dark, rainy day.he equation for finding how many watt hours are available in a battery when the amp hours are known is voltage x amp hours. For instance, a 12 volt 105 amp hour (AH) battery can supply 1260 watt hours (12 volts x 105 amp hours =1260 watt hours).
Power capacity is how much energy is stored in the battery. This power is often expressed in Watt-hours (the symbol Wh). A Watt-hour is the voltage (V) that the battery provides multiplied by how much current (Amps) the battery can provide for some amount of time (generally in hours). Voltage * Amps * hours = Wh. Since voltage is pretty much fixed for a battery type due to its internal chemistry (alkaline, lithium, lead acid, etc), often only the Amps*hour measurement is printed on the side, expressed in Ah or mAh (1000mAh = 1Ah). To get Wh, multiply the Ah by the nominal voltage. For example, lets say we have a 3V nominal battery with 1Amp-hour capacity, therefore it has 3 Wh of capacity. 1 Ah means that in theory we can draw 1 Amp of current for one hour, or 0.1A for 10 hours, or 0.01A (also known as 10 mA) for 100 hours.