A voltage source and a current source both supply current on an electrical system. So why...

A voltage source and a current source both supply current on an electrical system. So why do we call a voltage source a voltage source? What is the difference between the two?

Expert Solution

A two terminal device which maintains a ?xed voltage known as the voltage source. It has the same potential difference across its terminals. The ideal voltage source maintains a ?xed voltage, and zero internal resistance. However, there can’t be an ideal physical voltage source. It is not possible for any voltage source to be able to provide unlimited current, and a voltage is designed to provide sufficient amount of current which is required in the circuit. These voltage sources include power systems, generators, batteries etc.

On the other hand, in an electronic circuit is provided with current irrespective of the voltage across it, it is known as current source. The internal resistance of an ideal current source, as opposed to a voltage source, is in?nite. A current source is supposed to support any amount of potential di?erence across its terminals, and supply the same amount of current into the nodes it is connected to.

samet mamat answered 2 years ago

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