Question

what is electric circuit?

Answer 1

An electric circuit is a path in which electrons from a voltage or current source flow. The point where those electrons enter an electrical circuit is called the "source" of electrons. The point where the electrons leave an electrical circuit is called the "return" or "earth ground".

Answer 2

Hey dear!!
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Question:  
What is an electric circuit?
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Answer:

In simple words, an electric circuit is a closed path in which electric current flows. 

An electric circuit consists of:

<>Bulb
<>Switch
<>Connecting wires
<>Cell or battery 

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Hope helped!!