Electric Current Quizzes Online & Trivia

A comprehensive database of electric current quizzes online, test your knowledge with electric current quiz questions. Our online electric current trivia quizzes can be adapted to suit your requirements for taking some of the top electric current quizzes.


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  • In which direction does electric current flow around a circuit.
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  • When an electric current flows through a wire what is moving?
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  • A current of 2.5A flows through a light bulb with a potential difference of 10V applied across it. What is the resistance of the light bulb?
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  • The magnetic field lines produced by a bar magnet:
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  • A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:
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  • The north pole of Earth’s magnet is in the:
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  • The current in a circuit equals the voltage difference divided by the resistance.
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  • A source of voltage difference, such as a battery, a device such as a lightbulb that has resistance and conductors that connects the device to the battery terminals.
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  • A way to measure the resistance of objects and materials.
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  • When a photon of sufficient energy strikes the diode, it excites an electron, thereby creating a free electron. What is this phenomenon called?
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  • By definition, N-type semiconductor has an excess of  _______ compared to the P-type region, which has an excess of ______ compared to the N-type region.
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  • When a diode is reverse biased, the width of the depletion layer __________, causing the capacitance to _________. 
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