From this analogy you can deduce some rules That you should keep in mind during all your electronics work: From this analogy you can infer some rules you should keep in mind for all your electronics work:
Electric current through a single branch is constant at any point (exactly as you can not have different flow rates in the same pipe; what's getting out of the pipe must equal what's getting in) electrical current through one branch is constant at any point (exactly as You can not have different flow rates in the same pipe; what comes out of the pipe should be the same as what was in.)
There wont be any flow of current Between 2 points if there is no potential difference Between Them. There wont be any flow of current between two points if there is no potential difference between them. In other words, for a flow of current to exist, there must be a voltage difference Between tow points. In other words, for the flow of current to exist, there must be a voltage difference between the tow point.
The quantity of water in the reservoir can be compared to the electric charge stored in a battery. The amount of water in the reservoir can be compared with the electric charge stored in the battery. When the level of water in the tow tanks Become the same, there is no more flow of water, and comparatively, a battery is empty and can not deliver anymore when the tow current electrodes have the same voltage. When the water level in the tank the crane to be equal, no more flow of water, and the relative, the battery is empty and can not deliver more current at the electrode crane has the same voltage.
The electric current in a conductor will increase of with the Decrease of the resistance, exactly as the rate of flow of water will increase of with the Decrease of the resistance of the valve. Electric current in a conductor will be increased with a decrease in resistance, just like the water flow rate will increase with decreasing resistance of the valve.

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