Electrical Quizzes

Electrical Quizzes & Trivia
Do you know why alternating current is called as such? How about direct current? Yes, it’s called alternating because current flows both ways; one way and then the other. Direct current on the other hand goes just one way. Have you heard about the War of the Currents? Who were involved in this war? Here’s a hint. Scientists, not countries were involved. If you know your electricity well, then the answers shouldn’t have come much of a shock. We’re looking for electricity experts like you.

Are you amped to take on the challenge? Do you think it’s going to be so easy? Stay “grounded”, because it’s tougher than you think. Get those brain circuits charged and check out our quiz.

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Electrical Questions


  • A dual element fuse is used to:
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  • An infinite bus-bar has
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  • The basic function of a transformer is to change
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  • Transformer is used
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  • When an alternating voltage is applied to a purely resistive circuit, the
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  • You need to remove a bolt with a 1/2" head but only have metric sockets. If 1" is equal to 25.4mm which size socket will most effectively remove the bolt?
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  • When a 12V lead acid battery is discharged what is the end state of the electrolyte (liquid)?
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  • Two 12V batteries wired in series produce 24V.
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  • If the current is 12 amperes and the voltage is 15 volts, what is the resistance?
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