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MCQs

Total Questions : 118 | Page 1 of 12 pages
Question 1. The conductance of an 8 ohm resistance is
  1.    12.5 mS
  2.    8 mS
  3.    12 S
  4.    125 mS
 Discuss Question
Answer: Option D. -> 125 mS
Question 2. A neutral atom with an atomic number of five has how many electrons?
  1.    1
  2.    5
  3.    None
  4.    Depends on the type of atom
 Discuss Question
Answer: Option B. -> 5
Question 3. 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?
  1.    10.5 C
  2.    105 C
  3.    3.4 C
  4.    34 C
 Discuss Question
Answer: Option A. -> 10.5 C
Question 4. A multimeter measures
  1.    Current
  2.    Voltage
  3.    Resistance
  4.    Current, voltage, and resistance
 Discuss Question
Answer: Option D. -> Current, voltage, and resistance
Question 5. Resistance limits the current.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 6. A circuit breaker is a
  1.    Fuse
  2.    Switch
  3.    Resettable protective device
  4.    Resistor
 Discuss Question
Answer: Option C. -> Resettable protective device
Question 7. When placed close together, two positively charged materials will
  1.    Attract
  2.    Become neutral
  3.    Become negative
  4.    Repel
 Discuss Question
Answer: Option D. -> Repel
Question 8. Materials with lots of free electrons are called
  1.    Conductors
  2.    Insulators
  3.    Semiconductors
  4.    Filters
 Discuss Question
Answer: Option A. -> Conductors
Question 9. The colored bands for a 4,700 ohm resistor with a ten percent tolerance are
  1.    Yellow, violet, red, gold
  2.    Yellow, violet, orange, gold
  3.    Yellow, violet, red, silver
  4.    Orange, violet, red, silver
 Discuss Question
Answer: Option C. -> Yellow, violet, red, silver
Question 10. Free electrons make current possible.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True

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