Quiz About Applied Electronics & Instrumentation

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Quiz About Applied Electronics & Instrumentation

Do you know what Applied Electronics and Instrumentation is? It is an advanced branch of engineering which deals with the application of existing or known scientific knowledge in electronics, instrumentation, measurements and control for any process, practical calibration of instruments, automation of processes etc. Know how much knowledge you have about this topic, and share the result with your friends.


Questions and Answers
  • 1. 
    Positively charged particle:
    • A. 

      Electron

    • B. 

      Proton

    • C. 

      Neutron

    • D. 

      Nucleus

  • 2. 
    Negatively charged particle:
    • A. 

      Neutrons

    • B. 

      Protons

    • C. 

      Electrons

    • D. 

      Nucleus

  • 3. 
    Electrically neutral or uncharged particle:
    • A. 

      Protons

    • B. 

      Electrons

    • C. 

      Neutrons

    • D. 

      Nucleus

  • 4. 
    Which of the following are characteristics of electricity? 
    • A. 

      Wires conduct electricity through movement of electrons

    • B. 

      Friction generates charges

    • C. 

      Only its effects or actions can be seen

    • D. 

      Electricity can be pointed to or seen

  • 5. 
    This form of electricity is used in the home, industry, hospitals and laboratory and involves 60 Hz.
    • A. 

      Direct Current

    • B. 

      Alternating Current

    • C. 

      Static 

    • D. 

      Magnetic

  • 6. 
    An open circuit allows for current to flow in an electric circuit. 
    • A. 

      True

    • B. 

      False

  • 7. 
    Which of the following apply to Coulomb's law: 
    • A. 

      Like charges repel

    • B. 

      Like charges attract

    • C. 

      Opposites charges attract

    • D. 

      Opposite charges repel

  • 8. 
    The strength of the interaction of positive and negative electrical charges; the electrical force that causes electrons to move:
    • A. 

      Voltage

    • B. 

      Electromotive Force 

    • C. 

      Current

    • D. 

      Resistance

  • 9. 
    The movement of free electrons to move in one direction:
    • A. 

      Electromotive Force

    • B. 

      Voltage 

    • C. 

      Current

    • D. 

      Resistance

  • 10. 
    Unit of Voltage in EEG:
    • A. 

      Millivolts

    • B. 

      Microvolts

    • C. 

      Nanovolts

    • D. 

      Megavolts

  • 11. 
    Unit of Voltage in EKG:
    • A. 

      Millivolts

    • B. 

      Microvolts

    • C. 

      Nanovolts

    • D. 

      Megavolts

  • 12. 
    Unit of Voltage in EPs:
    • A. 

      Millivolts

    • B. 

      Microvolts

    • C. 

      Nanovolts

    • D. 

      Megavolts

  • 13. 
    Voltage equals:
    • A. 

      Intensity x Resistance

    • B. 

      Intensity/ Resistance

    • C. 

      Resistance/ Intensity 

    • D. 

      Intensity x Impedance

  • 14. 
    10-9
    • A. 

      Nano

    • B. 

      Pico

    • C. 

      Micro

    • D. 

      Milli

  • 15. 
    10,-3
    • A. 

      Milli

    • B. 

      Micro

    • C. 

      Nano

    • D. 

      Pico

  • 16. 
    Pico
    • A. 

      10,-12

    • B. 

      10,-9

    • C. 

      10,-6

    • D. 

      10,-3

  • 17. 
    This type of shock can cause burns, local tissue damage and ventricular fibrillation. Ranges from 100- 300 mA.
    • A. 

      Macroshock

    • B. 

      Microshock

    • C. 

      Let-Go Current

    • D. 

      Staticshock

  • 18. 
    This type of shock can be dangerous or lethal if applied directly to the myocardium. 10uA can cause ventricular fibrillation. 
    • A. 

      Macroshock

    • B. 

      Microshock

    • C. 

      Let- Go Current

    • D. 

      Staticshock

  • 19. 
    This type of shock can cause contractions so forceful that it will not let you release your grip due to persistent stimulation. Typically contains a current level of 10-20 mA.
    • A. 

      Macroshock

    • B. 

      Microshock

    • C. 

      Let-Go Current

    • D. 

      Staticshock

  • 20. 
    Which of the following are likely reasons a patient is more at risk of electricity? 
    • A. 

      Patient is not grounded

    • B. 

      Connected to multiple AC powered instruments

    • C. 

      Weakened or comatose

    • D. 

      Heart may be weak

  • 21. 
    A increase in leakage current is always a problem when considering patient safety.
    • A. 

      True

    • B. 

      False

  • 22. 
    The maximum allowable chassis leakage current when the ground wire is disabled is: 
    • A. 

      200 uA

    • B. 

      100 uA

    • C. 

      300 uA

    • D. 

      400 uA

  • 23. 
    The ground to chassis resistance must be a very low value of: 
    • A. 

      <.04 Ohms

    • B. 

      <.03 Ohms

    • C. 

      <5 Ohms

    • D. 

      < .5 Ohms

  • 24. 
    Which of the following is not a step in electrical safety? 
    • A. 

      Ensure compliance with protected electrodes. 

    • B. 

      Ensure patient is connected when powering off machine.

    • C. 

      Purchase electrically sound equipment.

    • D. 

      Routine maintenance of equipment. 

  • 25. 
    The ability of an amplifier to reveal differences in electrical potential between two electrodes inputs, while rejecting common potentials is called the: 
    • A. 

      Common Rejection Ratio

    • B. 

      Common Mean Rejection

    • C. 

      Common Mode Rejection

    • D. 

      Common Mode Ratio

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