5 Questions
How can direct current flow?
Through a conductor such as a wire, semiconductors, insulators, or even through a vacuum.
What distinguishes direct current from alternating current (AC)?
The electric current flows in a constant direction.
What is direct current (DC)?
One-directional flow of electric charge.
How can direct current be converted from an alternating current supply?
By use of a rectifier, which contains electronic elements or electromechanical elements.
What was the term formerly used for direct current?
Galvanic current.
Test your knowledge of direct current (DC), which is the one-directional flow of electric charge. This quiz covers topics such as the characteristics of DC, its applications, and how it differs from alternating current (AC).
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