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EEE :: Voltage,Current and Resistance

  1. A two-terminal variable resistor is known as a

  2. A.
    potentiometer
    B.
    thermistor
    C.
    rheostat
    D.
    wiper

  3. Eight-tenths coulomb passes a point in 4 s. The current in amperes is

  4. A.
    1.6 A
    B.
    16 A
    C.
    2 A
    D.
    0.2 A

  5. When the current is 2.5 A, how many coulombs pass a point in 0.2 s?

  6. A.
    12.5 C
    B.
    1.25 C
    C.
    0.5 C
    D.
    5 C

  7. The colored bands for a 4,700 ohm resistor with a ten percent tolerance are

  8. A.
    yellow, violet, red, gold
    B.
    yellow, violet, orange, gold
    C.
    yellow, violet, red, silver
    D.
    orange, violet, red, silver

  9. A material that does not allow current under normal conditions is a(n)

  10. A.
    insulator
    B.
    conductor
    C.
    semiconductor
    D.
    valence

  11. The unit of electrical charge is the

  12. A.
    volt
    B.
    ampere
    C.
    joule
    D.
    coulomb

  13. A multimeter measures

  14. A.
    current
    B.
    voltage
    C.
    resistance
    D.
    current, voltage, and resistance

  15. If there is 6 A of current through the filament of a lamp, how many coulombs of charge move through the filament in 1.75 s?

  16. A.
    10.5 C
    B.
    105 C
    C.
    3.4 C
    D.
    34 C

  17. A wiper is the sliding contact in a

  18. A.
    switch
    B.
    photoconductive cell
    C.
    thermistor
    D.
    potentiometer

  19. A neutral atom with an atomic number of five has how many electrons?

  20. A.
    1
    B.
    5
    C.
    none
    D.
    depends on the type of atom