The primary source of voltage for a storage battery is; Active Source
What is Voltage?
Voltage is defined as the pressure from an electrical circuit's power source that pushes charged current electrons through a conducting loop, that enables them to do work such as illuminating a light.
Now, there are two primary sources of voltage which are namely active sources and passive sources.
The Active sources delivers power or energy to the circuit while the Passive sources utilizes power or energy from the circuit.
Thus, the storage battery will be an active source
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