Demo Quiz Electricity

3 Questions | Total Attempts: 57

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Electricity Quizzes & Trivia

Integrated math and science


Questions and Answers
  • 1. 
    What famous inventor accidentally discovered electron beamswhile working on the development of the light bulb?
    • A. 

      Lee de Forest

    • B. 

      Edwin Armstrong

    • C. 

      Grote Reber

    • D. 

      Thomas Edison

    • E. 

      Samuel Morse

  • 2. 
    What math formula describes electrical voltage, current and resistance?
    • A. 

      E = I R

    • B. 

      I = R/E

    • C. 

      R = I E

  • 3. 
    If 12 V flows through a circuit with 110 ohms resistance, then find the current .