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1. Which of the following are conductors? [Choose all that apply]

    A. Ceramics

    B. Gasses   

    C. Liquids

    D. Metals   

    E. Plastics

2. Which of the following are insulators? [Choose all that apply]

    A. Ceramics

    B. Gasses   

    C. Liquids

    D. Metals   

    E. Plastics

3. Which of the following is a derived quantity that you can calculate by multiplying the force of electricity caused by a difference in charge at two locations and the measure of the flow of electrons past a given point?   

    A. Current

    B. Electrical Power   

    C. Impedance   

    D. Resistance

    E. Voltage   

 

4. Which of the following is a force that opposes the flow of DC through a conductor?

    A. Current

    B. Electrical Power   

    C. Impedance   

    D. Resistance

    E. Voltage 

 

5. Which of the following is measured in amps? 

    A. Current

    B. Electrical Power   

    C. Impedance   

    D. Resistance

    E. Voltage 

   

6. Which of the following is measured in Ohms? [Choose all that apply]?

    A. Current

    B. Electrical Power   

    C. Impedance   

    D. Resistance

    E. Voltage

 

7. What is the formula relating voltage, current and resistance?

    A.  i = V * r   

    B.  r = V * i   

    C.  V = i * r

    D.  V= i / r

 

8. True or false? At a given voltage, current increases as resistance drops.

TRUE / FALSE

 

9. True or false? You need to be concerned about electrostatic discharge because it can be fatal to humans.

TRUE / FALSE

 

10. The power requirements of a motherboard are estimated to be which of the following?

    A. 5V   

    B. 10W

    C. 30W   

    D. 50W

    E. 100W

 

11. Which of the following components requires the most power?   

    A. Adapter card

    B. CPU

    C. Hard drive

    D. Memory

    E. Motherboard

 

12. More devices draw power at what voltage level than anyof the otther ranges?

    A. +3.3V

    B. -5V

    C. +5V

    D. -12V

    E. +12V

 

 

 

 

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