Question Video: Determining the Direction of Conventional Current in a Circuit Diagram | Nagwa Question Video: Determining the Direction of Conventional Current in a Circuit Diagram | Nagwa

Question Video: Determining the Direction of Conventional Current in a Circuit Diagram Science • Third Year of Preparatory School

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The diagram shows an electric circuit containing a cell and a bulb. What is the direction of the conventional current in the circuit?

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Video Transcript

The diagram shows an electric circuit containing a cell and a bulb. What is the direction of the conventional current in the circuit?

Here, we have a circuit diagram, and we’ve been asked for the direction of the conventional current in the circuit. Let’s recall that conventional current points in the direction opposite to electron flow because conventional current is defined as the direction that imagined positive charge carriers in the circuit would move. Because of this, conventional current points away from the positive terminal and toward the negative terminal.

Remember that for the symbol representing a cell in a circuit diagram, the longer line represents the positive terminal and the shorter line represents the negative terminal. So since conventional current always points away from the positive terminal and here the positive terminal is on the right, we can draw the direction of conventional current like so. This is clockwise motion. The direction of conventional current in this circuit is clockwise.

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