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Electronics Quizzes & Trivia

Does the ham radio need some spicy sauce, or does it need backup batteries? How about a bleeder circuit? Oh... you know that it’s not really losing blood, don’t you? Will you be sent to prison for breaking Ohm’s law? OK,enough of those silly questions. Here come the real questions. So, do you know what a RAM is? How does it differ from a ROM? Can you tell the resistance of a resistor just by looking at its color bands? There is actually a mnemonic for that. Do you remember? If you know the answer to most of the questions, then you must be quite the electronic enthusiast.

Watt are you waiting for? Show us how wide your knowledge bandwidth is and take on the electronics challenge.
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Questions: 138  |  Attempts: 849   |  Last updated: Mar 7, 2013
  • Sample Question
    The atomic number of an element is determined by:



Questions: 100  |  Attempts: 2846   |  Last updated: Jun 23, 2020
  • Sample Question
    Frequency is measured in which of the following:

Let us help each other, fellow ECE reviewees and students. Do not result to such lowly behavior. As they say, a rising tide floats all boats. Lets mind our manners. Respect, engineers. Good for testing your knowledge and...

Questions: 10  |  Attempts: 1172   |  Last updated: Mar 20, 2019
  • Sample Question
    An ideal voltage source has   

9 electronics on the work weve done so far

Questions: 13  |  Attempts: 712   |  Last updated: Dec 13, 2012
  • Sample Question
    What does led stand for

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Questions: 30  |  Attempts: 6082   |  Last updated: Jan 30, 2013
  • Sample Question
    Matter can be found in which of the following forms?
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Electronics Questions & Answers


Which of the following is not applicable to an AC system?
Batteries are charged using DC electrical current .
Which of the following is true if a transformer ratio is 20/1?
There are some people who are not too sure about the ratio in general. They do not understand what this means. The fact that this ratio is used means that the answer is letter B. The primary ratio is 20 times greater as compared to the secondary. The
Which of the following is the side with more turns(in a transformer)?
I guess it shall be the one having higher voltage. Vs/Ns=Vp/Np.
What is a diode?
The correct answer is that the diode is forward biased and conducting, according to my research. This is because the anode (or the positive side of the battery) has more power. It should allow the current to flow. However, if the polarities (or the c
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