Yes, two or more batteries connected in series can generate a higher voltage than one alone.
The cells are the individual units that provide voltage. In a battery, several of them are connected in series, to provide a higher voltage.
To obtain a higher voltage, batteries should be connected in series. In a series connection, the positive terminal of one battery is connected to the negative terminal of the next, which allows the voltages of each battery to add together. For example, connecting two 1.5V batteries in series results in a total voltage of 3V. This method increases the overall voltage while maintaining the same capacity (amp-hour rating) as a single battery.
no..... The battery with lower voltage will consume power from the higher one...
Lithium batteries typically provide a higher voltage than alkaline batteries.
Cells can be connected in series to increase voltage. When cells are connected in series, the positive terminal of one cell is connected to the negative terminal of the next cell, resulting in the voltages of each cell adding up to create a higher total voltage. This is commonly seen in batteries to increase the output voltage for various applications.
To connect two batteries in series, you would connect the positive terminal of one battery to the negative terminal of the other battery. This creates a circuit where the voltage of the batteries adds up, providing a higher total voltage for the circuit.
Batteries in parallel maintain constant voltage across the load rather in a series, so it is better to arrange the batteries in parallel Batteries in series deliver a higher voltage, batteries in parallel have longer life use.
If two ideal sources of unequal voltage are connected in parallel the higher voltage will provide a majority of the current (a two percent difference in voltage would provide an additional 5% of the current) and (in the case of batteries) the larger would provide charging current, quickly draining it.
If you apply a higher voltage to a capacitor than it is rated it could over heat and explode.
Putting batteries in series will up the voltage of the entire circuit. Certain things need higher voltage, so you put your batteries in series. Putting batteries in parallel will not up the voltage, but will let the current last longer. Watches would be more of an example for that. You want watch batteries to last long.
To charge a battery, the charger voltage must be higher than the battery voltage. If a AA battery (or any other) has a normal voltage of 1.2V the charger voltage must be at least 1.2V. The type of voltage supply and its current capability is immaterial. No, the charging voltage have to be larger than the battery voltage, to charge 2 AA batteries, that is 3 volt if connected in series, so a voltage of at least 4 volt is needed
Four 9v batteries connected in a parallel will still emit 9 volts because you are not increasing the voltage, you are increasing the life. To increase the voltage of four 9v batteries, you must connect them in a series; that series will emit 9v X 4(batteries), which equals 36 volts.